diff --git a/www/firefox/Makefile b/www/firefox/Makefile
index 919d4732b06b..5933b037f60f 100644
--- a/www/firefox/Makefile
+++ b/www/firefox/Makefile
@@ -1,72 +1,72 @@
 PORTNAME=	firefox
-DISTVERSION=	126.0.2
+DISTVERSION=	127.0
 PORTEPOCH=	2
 CATEGORIES=	www wayland
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}${DISTVERSIONSUFFIX}/source \
 		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}${DISTVERSIONSUFFIX}-candidates/build1/source
 DISTFILES=	${DISTNAME}.source${EXTRACT_SUFX}
 
 MAINTAINER=	gecko@FreeBSD.org
 COMMENT=	Web browser based on the browser portion of Mozilla
 WWW=		https://www.mozilla.com/firefox
 
 BUILD_DEPENDS=	nspr>=4.32:devel/nspr \
-		nss>=3.99:security/nss \
+		nss>=3.100:security/nss \
 		icu>=73.1:devel/icu \
 		libevent>=2.1.8:devel/libevent \
-		harfbuzz>=8.3.1:print/harfbuzz \
+		harfbuzz>=8.4.0:print/harfbuzz \
 		graphite2>=1.3.14:graphics/graphite2 \
 		png>=1.6.43:graphics/png \
 		dav1d>=1.0.0:multimedia/dav1d \
 		libvpx>=1.14.0:multimedia/libvpx \
 		${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
 		v4l_compat>0:multimedia/v4l_compat \
 		autoconf2.13:devel/autoconf2.13 \
 		nasm:devel/nasm \
 		yasm:devel/yasm \
 		zip:archivers/zip
 
 USE_GECKO=	gecko
 CONFLICTS_INSTALL=	firefox-esr
 USE_MOZILLA=	-sqlite
 CFLAGS_powerpc64le=	-DSQLITE_BYTEORDER=1234
 # work around bindgen not finding ICU, e.g.
 # dist/include/mozilla/intl/ICU4CGlue.h:8:10: fatal error: 'unicode/uenum.h' file not found, err: true
 CONFIGURE_ENV+=	BINDGEN_CFLAGS="-I${LOCALBASE}/include"
 
 USES=		tar:xz
 # helpful when testing beta
 WRKSRC=		${WRKDIR}/${PORTNAME}-${DISTVERSION}
 
 FIREFOX_ICON=		${MOZILLA}.png
 FIREFOX_ICON_SRC=	${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default48.png
 FIREFOX_DESKTOP=	${MOZSRC}/taskcluster/docker/${MOZILLA}-snap/${MOZILLA}.desktop
 MOZ_OPTIONS=	--enable-application=browser \
 		--enable-official-branding
 
 .include "${.CURDIR}/../../www/firefox/Makefile.options"
 
 .include <bsd.port.options.mk>
 
 .if ${ARCH} == powerpc64
 MOZ_OPTIONS+=	--without-wasm-sandboxed-libraries
 .else
 BUILD_DEPENDS+=	${LOCALBASE}/share/wasi-sysroot/lib/wasm32-wasi/libc++abi.a:devel/wasi-libcxx${LLVM_VERSION} \
 		${LOCALBASE}/share/wasi-sysroot/lib/wasm32-wasi/libc.a:devel/wasi-libc \
 		wasi-compiler-rt${LLVM_VERSION}>0:devel/wasi-compiler-rt${LLVM_VERSION}
 MOZ_OPTIONS+=	--with-wasi-sysroot=${LOCALBASE}/share/wasi-sysroot
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -e 's/%u/%U/' -e '/X-MultipleArgs/d' \
 		-e '/^Icon/s/=.*/=${FIREFOX_ICON:R}/' \
 		${FIREFOX_DESKTOP}
 	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|g' \
 		${WRKSRC}/browser/app/nsBrowserApp.cpp
 
 post-install:
 	${INSTALL_DATA} ${FIREFOX_DESKTOP} ${STAGEDIR}${PREFIX}/share/applications/
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/pixmaps
 	${LN} -sf ${FIREFOX_ICON_SRC} ${STAGEDIR}${PREFIX}/share/pixmaps/${FIREFOX_ICON}
 
 .include <bsd.port.mk>
diff --git a/www/firefox/distinfo b/www/firefox/distinfo
index e979ebfc4324..9d9a821fc3be 100644
--- a/www/firefox/distinfo
+++ b/www/firefox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1716920634
-SHA256 (firefox-126.0.2.source.tar.xz) = 778e08e6756ffceb9ff9ef4429d06f86e2d27249fa65f2be8852359cbe041298
-SIZE (firefox-126.0.2.source.tar.xz) = 560050432
+TIMESTAMP = 1717433155
+SHA256 (firefox-127.0.source.tar.xz) = d2a7bda2a72859c7013ad0a3434e1489db161566ba14365999aea364f6106d40
+SIZE (firefox-127.0.source.tar.xz) = 555156968
diff --git a/www/firefox/files/patch-libwebrtc-generated b/www/firefox/files/patch-libwebrtc-generated
index a56d291ae041..4230b31cd227 100644
--- a/www/firefox/files/patch-libwebrtc-generated
+++ b/www/firefox/files/patch-libwebrtc-generated
@@ -1,97409 +1,97596 @@
-commit e0f8f58bed7cc4cd65c82ef0ea0e795ac6eeda65
+commit 1fb2333e2d53204e69a318a8c803981d8ded116b
 Author: Christoph Moench-Tegeder <cmt@FreeBSD.org>
 
-    regenerate FreeBSD libwebrtc patch for Firefox 126
+    regenerate FreeBSD libwebrtc patch for Firefox 127
 
 diff --git third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build
 index b0671b5d4adb..642f867db664 100644
 --- third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build
 +++ third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("resource_adaptation_api_gn")
 diff --git third_party/libwebrtc/api/array_view_gn/moz.build third_party/libwebrtc/api/array_view_gn/moz.build
 index e090bcdfc55c..935f8560bd05 100644
 --- third_party/libwebrtc/api/array_view_gn/moz.build
 +++ third_party/libwebrtc/api/array_view_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("array_view_gn")
 diff --git third_party/libwebrtc/api/async_dns_resolver_gn/moz.build third_party/libwebrtc/api/async_dns_resolver_gn/moz.build
 index 6a2d55b776db..8512989cc3ea 100644
 --- third_party/libwebrtc/api/async_dns_resolver_gn/moz.build
 +++ third_party/libwebrtc/api/async_dns_resolver_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,119 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -161,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("async_dns_resolver_gn")
 diff --git third_party/libwebrtc/api/audio/aec3_config_gn/moz.build third_party/libwebrtc/api/audio/aec3_config_gn/moz.build
 index ee6df1d36f53..d217e83eb683 100644
 --- third_party/libwebrtc/api/audio/aec3_config_gn/moz.build
 +++ third_party/libwebrtc/api/audio/aec3_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("aec3_config_gn")
 diff --git third_party/libwebrtc/api/audio/aec3_factory_gn/moz.build third_party/libwebrtc/api/audio/aec3_factory_gn/moz.build
 index 0c3ce503ad9e..4e9cb792fd2e 100644
 --- third_party/libwebrtc/api/audio/aec3_factory_gn/moz.build
 +++ third_party/libwebrtc/api/audio/aec3_factory_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("aec3_factory_gn")
 diff --git third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build
 index 1317ad89b0d7..2fecbfa52bb7 100644
 --- third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build
 +++ third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_frame_api_gn")
 diff --git third_party/libwebrtc/api/audio/audio_frame_processor_gn/moz.build third_party/libwebrtc/api/audio/audio_frame_processor_gn/moz.build
 index e04682bee3fa..cdd13155790d 100644
 --- third_party/libwebrtc/api/audio/audio_frame_processor_gn/moz.build
 +++ third_party/libwebrtc/api/audio/audio_frame_processor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_frame_processor_gn")
 diff --git third_party/libwebrtc/api/audio/audio_mixer_api_gn/moz.build third_party/libwebrtc/api/audio/audio_mixer_api_gn/moz.build
 index c74637daa356..d4a66ce81d9b 100644
 --- third_party/libwebrtc/api/audio/audio_mixer_api_gn/moz.build
 +++ third_party/libwebrtc/api/audio/audio_mixer_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_mixer_api_gn")
 diff --git third_party/libwebrtc/api/audio/echo_control_gn/moz.build third_party/libwebrtc/api/audio/echo_control_gn/moz.build
 index eb9e4ec6697b..08b8d7df91dd 100644
 --- third_party/libwebrtc/api/audio/echo_control_gn/moz.build
 +++ third_party/libwebrtc/api/audio/echo_control_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("echo_control_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
 index 9dcc9826de61..0973b9bab0b3 100644
 --- third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_L16_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
 index b5c7fe8b37a8..8e851ee1eac0 100644
 --- third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_L16_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
 index 8eaebf875c3c..acac009b8893 100644
 --- third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_codecs_api_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
 index 3ce5ad2d5d21..edfab7737136 100644
 --- third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
 @@ -12,13 +12,23 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["WEBRTC_USE_BUILTIN_ILBC"] = "1"
  DEFINES["WEBRTC_USE_BUILTIN_OPUS"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("builtin_audio_decoder_factory_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
 index e8acc1186e04..dd0e328737c6 100644
 --- third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
 @@ -12,13 +12,23 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["WEBRTC_USE_BUILTIN_ILBC"] = "1"
  DEFINES["WEBRTC_USE_BUILTIN_OPUS"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("builtin_audio_encoder_factory_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
 index 2dbe0fd6bce3..a29327a65377 100644
 --- third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_g711_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
 index a1b1f8e9fccb..68424c136524 100644
 --- third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_g711_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/g722/audio_decoder_g722_gn/moz.build third_party/libwebrtc/api/audio_codecs/g722/audio_decoder_g722_gn/moz.build
 index 838977ba1042..4577862a247d 100644
 --- third_party/libwebrtc/api/audio_codecs/g722/audio_decoder_g722_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/g722/audio_decoder_g722_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_g722_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_config_gn/moz.build third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_config_gn/moz.build
 index 2b1c0d220c3e..cdb668cf70bc 100644
 --- third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_config_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_encoder_g722_config_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_gn/moz.build third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_gn/moz.build
 index 367caa077f2d..3a983cc69d40 100644
 --- third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/g722/audio_encoder_g722_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_g722_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/ilbc/audio_decoder_ilbc_gn/moz.build third_party/libwebrtc/api/audio_codecs/ilbc/audio_decoder_ilbc_gn/moz.build
 index b8bf808d3d73..af4f54885d1e 100644
 --- third_party/libwebrtc/api/audio_codecs/ilbc/audio_decoder_ilbc_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/ilbc/audio_decoder_ilbc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_ilbc_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_config_gn/moz.build third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_config_gn/moz.build
 index 909cc8c26f96..9e4afff2cb93 100644
 --- third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_config_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_encoder_ilbc_config_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_gn/moz.build third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_gn/moz.build
 index 08b426b9abd7..b52f29085529 100644
 --- third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_ilbc_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_multiopus_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_multiopus_gn/moz.build
 index c36b4324e4b3..19274344f17c 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_multiopus_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_multiopus_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_multiopus_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_config_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_config_gn/moz.build
 index a9896dd203d6..e666d73db50a 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_config_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_decoder_opus_config_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_gn/moz.build
 index 7c7ed25cbc12..2a0eaf5162ae 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_decoder_opus_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_decoder_opus_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_multiopus_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_multiopus_gn/moz.build
 index 7a8b6dc2e652..a1e0aebdd00b 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_multiopus_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_multiopus_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_multiopus_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_config_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_config_gn/moz.build
 index f68dce0d9dee..1814a45bd0b9 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_config_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_config_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_OPUS_VARIABLE_COMPLEXITY"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,174 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_opus_config_gn")
 diff --git third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_gn/moz.build third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_gn/moz.build
 index f44d8836ef29..3c36a8e40946 100644
 --- third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_gn/moz.build
 +++ third_party/libwebrtc/api/audio_codecs/opus/audio_encoder_opus_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_opus_gn")
 diff --git third_party/libwebrtc/api/audio_options_api_gn/moz.build third_party/libwebrtc/api/audio_options_api_gn/moz.build
 index 5e169a3ffe4c..dee079f27798 100644
 --- third_party/libwebrtc/api/audio_options_api_gn/moz.build
 +++ third_party/libwebrtc/api/audio_options_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_options_api_gn")
 diff --git third_party/libwebrtc/api/bitrate_allocation_gn/moz.build third_party/libwebrtc/api/bitrate_allocation_gn/moz.build
 index 530662eb2f31..1fb50aa9e1e4 100644
 --- third_party/libwebrtc/api/bitrate_allocation_gn/moz.build
 +++ third_party/libwebrtc/api/bitrate_allocation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("bitrate_allocation_gn")
 diff --git third_party/libwebrtc/api/call_api_gn/moz.build third_party/libwebrtc/api/call_api_gn/moz.build
 index 5656999ecb9a..93c7cd55cf2e 100644
 --- third_party/libwebrtc/api/call_api_gn/moz.build
 +++ third_party/libwebrtc/api/call_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("call_api_gn")
 diff --git third_party/libwebrtc/api/crypto/frame_decryptor_interface_gn/moz.build third_party/libwebrtc/api/crypto/frame_decryptor_interface_gn/moz.build
 index 4147b3868be0..1f0c3440b172 100644
 --- third_party/libwebrtc/api/crypto/frame_decryptor_interface_gn/moz.build
 +++ third_party/libwebrtc/api/crypto/frame_decryptor_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("frame_decryptor_interface_gn")
 diff --git third_party/libwebrtc/api/crypto/frame_encryptor_interface_gn/moz.build third_party/libwebrtc/api/crypto/frame_encryptor_interface_gn/moz.build
 index 93034ef6e23e..2f5ff0067bee 100644
 --- third_party/libwebrtc/api/crypto/frame_encryptor_interface_gn/moz.build
 +++ third_party/libwebrtc/api/crypto/frame_encryptor_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("frame_encryptor_interface_gn")
 diff --git third_party/libwebrtc/api/crypto/options_gn/moz.build third_party/libwebrtc/api/crypto/options_gn/moz.build
 index 9b5cca4f8b98..33542ced4242 100644
 --- third_party/libwebrtc/api/crypto/options_gn/moz.build
 +++ third_party/libwebrtc/api/crypto/options_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("options_gn")
 diff --git third_party/libwebrtc/api/environment/environment_factory_gn/moz.build third_party/libwebrtc/api/environment/environment_factory_gn/moz.build
 index 77a2224baf94..5c7930031464 100644
 --- third_party/libwebrtc/api/environment/environment_factory_gn/moz.build
 +++ third_party/libwebrtc/api/environment/environment_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("environment_factory_gn")
 diff --git third_party/libwebrtc/api/environment/environment_gn/moz.build third_party/libwebrtc/api/environment/environment_gn/moz.build
 index e7105ff57383..b7d434e7f0e5 100644
 --- third_party/libwebrtc/api/environment/environment_gn/moz.build
 +++ third_party/libwebrtc/api/environment/environment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("environment_gn")
 diff --git third_party/libwebrtc/api/fec_controller_api_gn/moz.build third_party/libwebrtc/api/fec_controller_api_gn/moz.build
 index 619ea937f07b..29117e092916 100644
 --- third_party/libwebrtc/api/fec_controller_api_gn/moz.build
 +++ third_party/libwebrtc/api/fec_controller_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("fec_controller_api_gn")
 diff --git third_party/libwebrtc/api/field_trials_registry_gn/moz.build third_party/libwebrtc/api/field_trials_registry_gn/moz.build
 index 01ce20c5a613..bbfe2fc66a9b 100644
 --- third_party/libwebrtc/api/field_trials_registry_gn/moz.build
 +++ third_party/libwebrtc/api/field_trials_registry_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("field_trials_registry_gn")
 diff --git third_party/libwebrtc/api/field_trials_view_gn/moz.build third_party/libwebrtc/api/field_trials_view_gn/moz.build
 index 967e416aad11..41db496b2998 100644
 --- third_party/libwebrtc/api/field_trials_view_gn/moz.build
 +++ third_party/libwebrtc/api/field_trials_view_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("field_trials_view_gn")
 diff --git third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
 index ea4cac127680..42bd8a0ebee8 100644
 --- third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
 +++ third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("frame_transformer_interface_gn")
 diff --git third_party/libwebrtc/api/function_view_gn/moz.build third_party/libwebrtc/api/function_view_gn/moz.build
 index 980c9d9ca606..96dce96e8ab5 100644
 --- third_party/libwebrtc/api/function_view_gn/moz.build
 +++ third_party/libwebrtc/api/function_view_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("function_view_gn")
 diff --git third_party/libwebrtc/api/libjingle_logging_api_gn/moz.build third_party/libwebrtc/api/libjingle_logging_api_gn/moz.build
 index b3a3b0ee1b12..b71b016ae856 100644
 --- third_party/libwebrtc/api/libjingle_logging_api_gn/moz.build
 +++ third_party/libwebrtc/api/libjingle_logging_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("jingle_logging_api_gn")
 diff --git third_party/libwebrtc/api/libjingle_peerconnection_api_gn/moz.build third_party/libwebrtc/api/libjingle_peerconnection_api_gn/moz.build
 index fbbb882ebf1f..a8d741a090d2 100644
 --- third_party/libwebrtc/api/libjingle_peerconnection_api_gn/moz.build
 +++ third_party/libwebrtc/api/libjingle_peerconnection_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("jingle_peerconnection_api_gn")
 diff --git third_party/libwebrtc/api/location_gn/moz.build third_party/libwebrtc/api/location_gn/moz.build
 index dcdca04077c0..364fda084155 100644
 --- third_party/libwebrtc/api/location_gn/moz.build
 +++ third_party/libwebrtc/api/location_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("location_gn")
 diff --git third_party/libwebrtc/api/make_ref_counted_gn/moz.build third_party/libwebrtc/api/make_ref_counted_gn/moz.build
 index f90e27491698..7ecc837f314f 100644
 --- third_party/libwebrtc/api/make_ref_counted_gn/moz.build
 +++ third_party/libwebrtc/api/make_ref_counted_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("make_ref_counted_gn")
 diff --git third_party/libwebrtc/api/media_stream_interface_gn/moz.build third_party/libwebrtc/api/media_stream_interface_gn/moz.build
 index 759c156fb76f..67560deca0bc 100644
 --- third_party/libwebrtc/api/media_stream_interface_gn/moz.build
 +++ third_party/libwebrtc/api/media_stream_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("media_stream_interface_gn")
 diff --git third_party/libwebrtc/api/metronome/metronome_gn/moz.build third_party/libwebrtc/api/metronome/metronome_gn/moz.build
 index ede22e499888..a18489ff59f5 100644
 --- third_party/libwebrtc/api/metronome/metronome_gn/moz.build
 +++ third_party/libwebrtc/api/metronome/metronome_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("metronome_gn")
 diff --git third_party/libwebrtc/api/neteq/default_neteq_controller_factory_gn/moz.build third_party/libwebrtc/api/neteq/default_neteq_controller_factory_gn/moz.build
 index 5d18a89d1945..9f85d1d43198 100644
 --- third_party/libwebrtc/api/neteq/default_neteq_controller_factory_gn/moz.build
 +++ third_party/libwebrtc/api/neteq/default_neteq_controller_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("default_neteq_controller_factory_gn")
 diff --git third_party/libwebrtc/api/neteq/neteq_api_gn/moz.build third_party/libwebrtc/api/neteq/neteq_api_gn/moz.build
 index 7ed92b818331..45a550ec1872 100644
 --- third_party/libwebrtc/api/neteq/neteq_api_gn/moz.build
 +++ third_party/libwebrtc/api/neteq/neteq_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("neteq_api_gn")
 diff --git third_party/libwebrtc/api/neteq/neteq_controller_api_gn/moz.build third_party/libwebrtc/api/neteq/neteq_controller_api_gn/moz.build
 index c08d59e8acb0..568e7bbc811a 100644
 --- third_party/libwebrtc/api/neteq/neteq_controller_api_gn/moz.build
 +++ third_party/libwebrtc/api/neteq/neteq_controller_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("neteq_controller_api_gn")
 diff --git third_party/libwebrtc/api/neteq/tick_timer_gn/moz.build third_party/libwebrtc/api/neteq/tick_timer_gn/moz.build
 index ef3938ecf2df..6b28cb62c9fc 100644
 --- third_party/libwebrtc/api/neteq/tick_timer_gn/moz.build
 +++ third_party/libwebrtc/api/neteq/tick_timer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("tick_timer_gn")
 diff --git third_party/libwebrtc/api/network_state_predictor_api_gn/moz.build third_party/libwebrtc/api/network_state_predictor_api_gn/moz.build
 index 1cfd2c0837b6..900b054a1cb4 100644
 --- third_party/libwebrtc/api/network_state_predictor_api_gn/moz.build
 +++ third_party/libwebrtc/api/network_state_predictor_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("network_state_predictor_api_gn")
 diff --git third_party/libwebrtc/api/priority_gn/moz.build third_party/libwebrtc/api/priority_gn/moz.build
 index 5cac655d9009..4d79158262ef 100644
 --- third_party/libwebrtc/api/priority_gn/moz.build
 +++ third_party/libwebrtc/api/priority_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("priority_gn")
 diff --git third_party/libwebrtc/api/ref_count_gn/moz.build third_party/libwebrtc/api/ref_count_gn/moz.build
 index 0fcde97e6b0f..b37e89e4fcab 100644
 --- third_party/libwebrtc/api/ref_count_gn/moz.build
 +++ third_party/libwebrtc/api/ref_count_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("ref_count_gn")
 diff --git third_party/libwebrtc/api/refcountedbase_gn/moz.build third_party/libwebrtc/api/refcountedbase_gn/moz.build
 index 96c04d125890..e7c234797960 100644
 --- third_party/libwebrtc/api/refcountedbase_gn/moz.build
 +++ third_party/libwebrtc/api/refcountedbase_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("refcountedbase_gn")
 diff --git third_party/libwebrtc/api/rtc_error_gn/moz.build third_party/libwebrtc/api/rtc_error_gn/moz.build
 index 3c9d5f7f9b88..b394febab922 100644
 --- third_party/libwebrtc/api/rtc_error_gn/moz.build
 +++ third_party/libwebrtc/api/rtc_error_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_error_gn")
 diff --git third_party/libwebrtc/api/rtc_event_log/rtc_event_log_gn/moz.build third_party/libwebrtc/api/rtc_event_log/rtc_event_log_gn/moz.build
 index 991c0366b6b1..dde96c64f726 100644
 --- third_party/libwebrtc/api/rtc_event_log/rtc_event_log_gn/moz.build
 +++ third_party/libwebrtc/api/rtc_event_log/rtc_event_log_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_log_gn")
 diff --git third_party/libwebrtc/api/rtp_headers_gn/moz.build third_party/libwebrtc/api/rtp_headers_gn/moz.build
 index 24f4f8fb24fe..84b819ba9e90 100644
 --- third_party/libwebrtc/api/rtp_headers_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_headers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_headers_gn")
 diff --git third_party/libwebrtc/api/rtp_packet_info_gn/moz.build third_party/libwebrtc/api/rtp_packet_info_gn/moz.build
 index fda93e184ec6..50846adb8b4e 100644
 --- third_party/libwebrtc/api/rtp_packet_info_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_packet_info_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_packet_info_gn")
 diff --git third_party/libwebrtc/api/rtp_parameters_gn/moz.build third_party/libwebrtc/api/rtp_parameters_gn/moz.build
 index 09590e547db4..9330001cc876 100644
 --- third_party/libwebrtc/api/rtp_parameters_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_parameters_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,178 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_parameters_gn")
 diff --git third_party/libwebrtc/api/rtp_sender_interface_gn/moz.build third_party/libwebrtc/api/rtp_sender_interface_gn/moz.build
 index e7259b40e084..3f2c9b2e4cd7 100644
 --- third_party/libwebrtc/api/rtp_sender_interface_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_sender_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtp_sender_interface_gn")
 diff --git third_party/libwebrtc/api/rtp_sender_setparameters_callback_gn/moz.build third_party/libwebrtc/api/rtp_sender_setparameters_callback_gn/moz.build
 index c493f010c8bd..fc343fe57be9 100644
 --- third_party/libwebrtc/api/rtp_sender_setparameters_callback_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_sender_setparameters_callback_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_sender_setparameters_callback_gn")
 diff --git third_party/libwebrtc/api/rtp_transceiver_direction_gn/moz.build third_party/libwebrtc/api/rtp_transceiver_direction_gn/moz.build
 index 66b863defb7a..f12c6a35f934 100644
 --- third_party/libwebrtc/api/rtp_transceiver_direction_gn/moz.build
 +++ third_party/libwebrtc/api/rtp_transceiver_direction_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtp_transceiver_direction_gn")
 diff --git third_party/libwebrtc/api/scoped_refptr_gn/moz.build third_party/libwebrtc/api/scoped_refptr_gn/moz.build
 index 6593008ce69b..e482239ee788 100644
 --- third_party/libwebrtc/api/scoped_refptr_gn/moz.build
 +++ third_party/libwebrtc/api/scoped_refptr_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("scoped_refptr_gn")
 diff --git third_party/libwebrtc/api/sequence_checker_gn/moz.build third_party/libwebrtc/api/sequence_checker_gn/moz.build
 index d50c0f4f320f..591815f47c77 100644
 --- third_party/libwebrtc/api/sequence_checker_gn/moz.build
 +++ third_party/libwebrtc/api/sequence_checker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("sequence_checker_gn")
 diff --git third_party/libwebrtc/api/simulated_network_api_gn/moz.build third_party/libwebrtc/api/simulated_network_api_gn/moz.build
 index 1f52ba37d7d4..26728a141487 100644
 --- third_party/libwebrtc/api/simulated_network_api_gn/moz.build
 +++ third_party/libwebrtc/api/simulated_network_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("simulated_network_api_gn")
 diff --git third_party/libwebrtc/api/task_queue/default_task_queue_factory_gn/moz.build third_party/libwebrtc/api/task_queue/default_task_queue_factory_gn/moz.build
 index 0911b84473f5..2525ec25c7b0 100644
 --- third_party/libwebrtc/api/task_queue/default_task_queue_factory_gn/moz.build
 +++ third_party/libwebrtc/api/task_queue/default_task_queue_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("default_task_queue_factory_gn")
 diff --git third_party/libwebrtc/api/task_queue/pending_task_safety_flag_gn/moz.build third_party/libwebrtc/api/task_queue/pending_task_safety_flag_gn/moz.build
 index 43229b22ed5c..e8094ed7f16d 100644
 --- third_party/libwebrtc/api/task_queue/pending_task_safety_flag_gn/moz.build
 +++ third_party/libwebrtc/api/task_queue/pending_task_safety_flag_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pending_task_safety_flag_gn")
 diff --git third_party/libwebrtc/api/task_queue/task_queue_gn/moz.build third_party/libwebrtc/api/task_queue/task_queue_gn/moz.build
 index 8c04d40cf594..e9f40adf5dcc 100644
 --- third_party/libwebrtc/api/task_queue/task_queue_gn/moz.build
 +++ third_party/libwebrtc/api/task_queue/task_queue_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("task_queue_gn")
+diff --git third_party/libwebrtc/api/transport/bandwidth_estimation_settings_gn/moz.build third_party/libwebrtc/api/transport/bandwidth_estimation_settings_gn/moz.build
+index 10e3f8f8356e..56aa757e1b6c 100644
+--- third_party/libwebrtc/api/transport/bandwidth_estimation_settings_gn/moz.build
++++ third_party/libwebrtc/api/transport/bandwidth_estimation_settings_gn/moz.build
+@@ -12,11 +12,21 @@ AllowCompilerWarnings()
+ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
+ DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
+ DEFINES["RTC_ENABLE_VP9"] = True
++DEFINES["USE_GLIB"] = "1"
++DEFINES["USE_OZONE"] = "1"
++DEFINES["WEBRTC_BSD"] = True
++DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
+ DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
+ DEFINES["WEBRTC_LIBRARY_IMPL"] = True
+ DEFINES["WEBRTC_MOZILLA_BUILD"] = True
+ DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
++DEFINES["WEBRTC_POSIX"] = True
+ DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
++DEFINES["_FILE_OFFSET_BITS"] = "64"
++DEFINES["_LARGEFILE64_SOURCE"] = True
++DEFINES["_LARGEFILE_SOURCE"] = True
++DEFINES["__STDC_CONSTANT_MACROS"] = True
++DEFINES["__STDC_FORMAT_MACROS"] = True
+ 
+ FINAL_LIBRARY = "webrtc"
+ 
+@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
+ if CONFIG["MOZ_DEBUG"] == "1":
+ 
+     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
+-
+-if CONFIG["OS_TARGET"] == "Android":
+-
+-    DEFINES["ANDROID"] = True
+-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
+-    DEFINES["HAVE_SYS_UIO_H"] = True
+-    DEFINES["WEBRTC_ANDROID"] = True
+-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
+-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
+-    DEFINES["WEBRTC_LINUX"] = True
+-    DEFINES["WEBRTC_POSIX"] = True
+-    DEFINES["_GNU_SOURCE"] = True
+-    DEFINES["__STDC_CONSTANT_MACROS"] = True
+-    DEFINES["__STDC_FORMAT_MACROS"] = True
+-
+-if CONFIG["OS_TARGET"] == "Darwin":
+-
+-    DEFINES["WEBRTC_MAC"] = True
+-    DEFINES["WEBRTC_POSIX"] = True
+-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
+-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
+-    DEFINES["__STDC_CONSTANT_MACROS"] = True
+-    DEFINES["__STDC_FORMAT_MACROS"] = True
+-
+-if CONFIG["OS_TARGET"] == "Linux":
+-
+-    DEFINES["USE_AURA"] = "1"
+-    DEFINES["USE_GLIB"] = "1"
+-    DEFINES["USE_NSS_CERTS"] = "1"
+-    DEFINES["USE_OZONE"] = "1"
+-    DEFINES["USE_UDEV"] = True
+-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
+-    DEFINES["WEBRTC_LINUX"] = True
+-    DEFINES["WEBRTC_POSIX"] = True
+-    DEFINES["_FILE_OFFSET_BITS"] = "64"
+-    DEFINES["_LARGEFILE64_SOURCE"] = True
+-    DEFINES["_LARGEFILE_SOURCE"] = True
+-    DEFINES["__STDC_CONSTANT_MACROS"] = True
+-    DEFINES["__STDC_FORMAT_MACROS"] = True
+-
+-if CONFIG["OS_TARGET"] == "OpenBSD":
+-
+-    DEFINES["USE_GLIB"] = "1"
+-    DEFINES["USE_OZONE"] = "1"
+-    DEFINES["USE_X11"] = "1"
+-    DEFINES["WEBRTC_BSD"] = True
+-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
+-    DEFINES["WEBRTC_POSIX"] = True
+-    DEFINES["_FILE_OFFSET_BITS"] = "64"
+-    DEFINES["_LARGEFILE64_SOURCE"] = True
+-    DEFINES["_LARGEFILE_SOURCE"] = True
+-    DEFINES["__STDC_CONSTANT_MACROS"] = True
+-    DEFINES["__STDC_FORMAT_MACROS"] = True
+-
+-if CONFIG["OS_TARGET"] == "WINNT":
+-
+-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
+-    DEFINES["NOMINMAX"] = True
+-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
+-    DEFINES["PSAPI_VERSION"] = "2"
+-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
+-    DEFINES["UNICODE"] = True
+-    DEFINES["USE_AURA"] = "1"
+-    DEFINES["WEBRTC_WIN"] = True
+-    DEFINES["WIN32"] = True
+-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
+-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
+-    DEFINES["WINVER"] = "0x0A00"
+-    DEFINES["_ATL_NO_OPENGL"] = True
+-    DEFINES["_CRT_RAND_S"] = True
+-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
+-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
+-    DEFINES["_HAS_EXCEPTIONS"] = "0"
+-    DEFINES["_HAS_NODISCARD"] = True
+-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
+-    DEFINES["_SECURE_ATL"] = True
+-    DEFINES["_UNICODE"] = True
+-    DEFINES["_WIN32_WINNT"] = "0x0A00"
+-    DEFINES["_WINDOWS"] = True
+-    DEFINES["__STD_C"] = True
++    DEFINES["_DEBUG"] = True
+ 
+ if CONFIG["TARGET_CPU"] == "aarch64":
+ 
+     DEFINES["WEBRTC_ARCH_ARM64"] = True
+     DEFINES["WEBRTC_HAS_NEON"] = True
+ 
+-if CONFIG["TARGET_CPU"] == "arm":
+-
+-    DEFINES["WEBRTC_ARCH_ARM"] = True
+-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
+-    DEFINES["WEBRTC_HAS_NEON"] = True
+-
+ if CONFIG["TARGET_CPU"] == "mips32":
+ 
+     DEFINES["MIPS32_LE"] = True
+     DEFINES["MIPS_FPU_LE"] = True
+-    DEFINES["_GNU_SOURCE"] = True
+-
+-if CONFIG["TARGET_CPU"] == "mips64":
+-
+-    DEFINES["_GNU_SOURCE"] = True
+ 
+ if CONFIG["TARGET_CPU"] == "x86":
+ 
+@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
+ 
+     DEFINES["WEBRTC_ENABLE_AVX2"] = True
+ 
+-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
+-
+-    DEFINES["_DEBUG"] = True
+-
+-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
+-
+-    DEFINES["_DEBUG"] = True
+-
+-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+-
+-    DEFINES["_DEBUG"] = True
+-
+-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
+-
+-    DEFINES["_DEBUG"] = True
+-
+-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
+-
+-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
+-
+-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
++if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
+ 
+     DEFINES["USE_X11"] = "1"
+ 
+-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
+-
+-    OS_LIBS += [
+-        "unwind"
+-    ]
+-
+-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+-
+-    DEFINES["_GNU_SOURCE"] = True
+-
+-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
+-
+-    DEFINES["_GNU_SOURCE"] = True
+-
+-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+-
+-    DEFINES["_GNU_SOURCE"] = True
+-
+-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+-
+-    DEFINES["_GNU_SOURCE"] = True
+-
+ Library("bandwidth_estimation_settings_gn")
 diff --git third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
 index 2b732ca51e9d..716e91c361d1 100644
 --- third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
 +++ third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bitrate_settings_gn")
 diff --git third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
 index dba9cee6bdd0..12180edceced 100644
 --- third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
 +++ third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("datagram_transport_interface_gn")
 diff --git third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
 index dd3370838d67..10d7b6bb4d54 100644
 --- third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
 +++ third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("field_trial_based_config_gn")
 diff --git third_party/libwebrtc/api/transport/goog_cc_gn/moz.build third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
 index 80dee942e0ee..929cc485f211 100644
 --- third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
 +++ third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("goog_cc_gn")
 diff --git third_party/libwebrtc/api/transport/network_control_gn/moz.build third_party/libwebrtc/api/transport/network_control_gn/moz.build
 index e11b34ba718e..a67647ff4e6a 100644
 --- third_party/libwebrtc/api/transport/network_control_gn/moz.build
 +++ third_party/libwebrtc/api/transport/network_control_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("network_control_gn")
 diff --git third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
 index 568c7d976884..cf683816e0d6 100644
 --- third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
 +++ third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("dependency_descriptor_gn")
 diff --git third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
 index 9d993f6f68a1..791e45051d89 100644
 --- third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
 +++ third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtp_source_gn")
 diff --git third_party/libwebrtc/api/transport/stun_types_gn/moz.build third_party/libwebrtc/api/transport/stun_types_gn/moz.build
 index ad873a179659..d7df0d5d7208 100644
 --- third_party/libwebrtc/api/transport/stun_types_gn/moz.build
 +++ third_party/libwebrtc/api/transport/stun_types_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("stun_types_gn")
 diff --git third_party/libwebrtc/api/transport_api_gn/moz.build third_party/libwebrtc/api/transport_api_gn/moz.build
 index 506cb2f24dd1..f01561893920 100644
 --- third_party/libwebrtc/api/transport_api_gn/moz.build
 +++ third_party/libwebrtc/api/transport_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("transport_api_gn")
 diff --git third_party/libwebrtc/api/units/data_rate_gn/moz.build third_party/libwebrtc/api/units/data_rate_gn/moz.build
 index b2bb9b7c5fd0..91d77bc12c86 100644
 --- third_party/libwebrtc/api/units/data_rate_gn/moz.build
 +++ third_party/libwebrtc/api/units/data_rate_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("data_rate_gn")
 diff --git third_party/libwebrtc/api/units/data_size_gn/moz.build third_party/libwebrtc/api/units/data_size_gn/moz.build
 index ceaa9da9a29a..31b25242e9a9 100644
 --- third_party/libwebrtc/api/units/data_size_gn/moz.build
 +++ third_party/libwebrtc/api/units/data_size_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("data_size_gn")
 diff --git third_party/libwebrtc/api/units/frequency_gn/moz.build third_party/libwebrtc/api/units/frequency_gn/moz.build
 index 8b0607cf752f..f780d340c448 100644
 --- third_party/libwebrtc/api/units/frequency_gn/moz.build
 +++ third_party/libwebrtc/api/units/frequency_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frequency_gn")
 diff --git third_party/libwebrtc/api/units/time_delta_gn/moz.build third_party/libwebrtc/api/units/time_delta_gn/moz.build
 index 62205516148a..2df892f4a708 100644
 --- third_party/libwebrtc/api/units/time_delta_gn/moz.build
 +++ third_party/libwebrtc/api/units/time_delta_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("time_delta_gn")
 diff --git third_party/libwebrtc/api/units/timestamp_gn/moz.build third_party/libwebrtc/api/units/timestamp_gn/moz.build
 index 083b864ff086..f4f43207ca71 100644
 --- third_party/libwebrtc/api/units/timestamp_gn/moz.build
 +++ third_party/libwebrtc/api/units/timestamp_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("timestamp_gn")
 diff --git third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory_gn/moz.build third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory_gn/moz.build
 index 620fba65aa45..114f6b43ad03 100644
 --- third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory_gn/moz.build
 +++ third_party/libwebrtc/api/video/builtin_video_bitrate_allocator_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("builtin_video_bitrate_allocator_factory_gn")
 diff --git third_party/libwebrtc/api/video/encoded_frame_gn/moz.build third_party/libwebrtc/api/video/encoded_frame_gn/moz.build
 index 4c92d824ae4e..3aab4972d1b0 100644
 --- third_party/libwebrtc/api/video/encoded_frame_gn/moz.build
 +++ third_party/libwebrtc/api/video/encoded_frame_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("encoded_frame_gn")
 diff --git third_party/libwebrtc/api/video/encoded_image_gn/moz.build third_party/libwebrtc/api/video/encoded_image_gn/moz.build
 index 25d2d0998ea5..9bbfe7ab6b7c 100644
 --- third_party/libwebrtc/api/video/encoded_image_gn/moz.build
 +++ third_party/libwebrtc/api/video/encoded_image_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("encoded_image_gn")
 diff --git third_party/libwebrtc/api/video/frame_buffer_gn/moz.build third_party/libwebrtc/api/video/frame_buffer_gn/moz.build
 index 048097ce50fd..b0ddb83924e2 100644
 --- third_party/libwebrtc/api/video/frame_buffer_gn/moz.build
 +++ third_party/libwebrtc/api/video/frame_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_buffer_gn")
 diff --git third_party/libwebrtc/api/video/recordable_encoded_frame_gn/moz.build third_party/libwebrtc/api/video/recordable_encoded_frame_gn/moz.build
 index a5b4399e4ad4..c5cf761665a3 100644
 --- third_party/libwebrtc/api/video/recordable_encoded_frame_gn/moz.build
 +++ third_party/libwebrtc/api/video/recordable_encoded_frame_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("recordable_encoded_frame_gn")
 diff --git third_party/libwebrtc/api/video/render_resolution_gn/moz.build third_party/libwebrtc/api/video/render_resolution_gn/moz.build
 index 6ee89b6451ad..581ca3830235 100644
 --- third_party/libwebrtc/api/video/render_resolution_gn/moz.build
 +++ third_party/libwebrtc/api/video/render_resolution_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("render_resolution_gn")
 diff --git third_party/libwebrtc/api/video/resolution_gn/moz.build third_party/libwebrtc/api/video/resolution_gn/moz.build
 index de79a64a660c..8b1b3fe09fa1 100644
 --- third_party/libwebrtc/api/video/resolution_gn/moz.build
 +++ third_party/libwebrtc/api/video/resolution_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("resolution_gn")
 diff --git third_party/libwebrtc/api/video/video_adaptation_gn/moz.build third_party/libwebrtc/api/video/video_adaptation_gn/moz.build
 index 4483b3eaef01..26cb2efe4e07 100644
 --- third_party/libwebrtc/api/video/video_adaptation_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_adaptation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_adaptation_gn")
 diff --git third_party/libwebrtc/api/video/video_bitrate_allocation_gn/moz.build third_party/libwebrtc/api/video/video_bitrate_allocation_gn/moz.build
 index 1196221e634e..a7dbc316cfc0 100644
 --- third_party/libwebrtc/api/video/video_bitrate_allocation_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_bitrate_allocation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_bitrate_allocation_gn")
 diff --git third_party/libwebrtc/api/video/video_bitrate_allocator_factory_gn/moz.build third_party/libwebrtc/api/video/video_bitrate_allocator_factory_gn/moz.build
 index ff4934b7b562..df387e75d820 100644
 --- third_party/libwebrtc/api/video/video_bitrate_allocator_factory_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_bitrate_allocator_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_bitrate_allocator_factory_gn")
 diff --git third_party/libwebrtc/api/video/video_bitrate_allocator_gn/moz.build third_party/libwebrtc/api/video/video_bitrate_allocator_gn/moz.build
 index 758cbb7521f5..d83935fe0710 100644
 --- third_party/libwebrtc/api/video/video_bitrate_allocator_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_bitrate_allocator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_bitrate_allocator_gn")
 diff --git third_party/libwebrtc/api/video/video_codec_constants_gn/moz.build third_party/libwebrtc/api/video/video_codec_constants_gn/moz.build
 index 2275aa4aa15b..8bfda2bd2815 100644
 --- third_party/libwebrtc/api/video/video_codec_constants_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_codec_constants_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_codec_constants_gn")
 diff --git third_party/libwebrtc/api/video/video_frame_gn/moz.build third_party/libwebrtc/api/video/video_frame_gn/moz.build
 index 203b03a0a377..67fafe98aa0c 100644
 --- third_party/libwebrtc/api/video/video_frame_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_frame_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -54,185 +64,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_frame_gn")
 diff --git third_party/libwebrtc/api/video/video_frame_i010_gn/moz.build third_party/libwebrtc/api/video/video_frame_i010_gn/moz.build
 index 12435133353f..7b3d8fef889c 100644
 --- third_party/libwebrtc/api/video/video_frame_i010_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_frame_i010_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,185 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_frame_i010_gn")
 diff --git third_party/libwebrtc/api/video/video_frame_metadata_gn/moz.build third_party/libwebrtc/api/video/video_frame_metadata_gn/moz.build
 index 6616ea0dd6ed..900162a802f7 100644
 --- third_party/libwebrtc/api/video/video_frame_metadata_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_frame_metadata_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_frame_metadata_gn")
 diff --git third_party/libwebrtc/api/video/video_frame_type_gn/moz.build third_party/libwebrtc/api/video/video_frame_type_gn/moz.build
 index ab7548fe8dd8..3ebf86087e9b 100644
 --- third_party/libwebrtc/api/video/video_frame_type_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_frame_type_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_frame_type_gn")
 diff --git third_party/libwebrtc/api/video/video_layers_allocation_gn/moz.build third_party/libwebrtc/api/video/video_layers_allocation_gn/moz.build
 index 7f88b15c07b6..13701e033163 100644
 --- third_party/libwebrtc/api/video/video_layers_allocation_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_layers_allocation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_layers_allocation_gn")
 diff --git third_party/libwebrtc/api/video/video_rtp_headers_gn/moz.build third_party/libwebrtc/api/video/video_rtp_headers_gn/moz.build
 index 2f02f285f2af..039f412a6c99 100644
 --- third_party/libwebrtc/api/video/video_rtp_headers_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_rtp_headers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_rtp_headers_gn")
 diff --git third_party/libwebrtc/api/video/video_stream_encoder_gn/moz.build third_party/libwebrtc/api/video/video_stream_encoder_gn/moz.build
 index f75eac803f84..fa61dad4d254 100644
 --- third_party/libwebrtc/api/video/video_stream_encoder_gn/moz.build
 +++ third_party/libwebrtc/api/video/video_stream_encoder_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_stream_encoder_gn")
 diff --git third_party/libwebrtc/api/video_codecs/bitstream_parser_api_gn/moz.build third_party/libwebrtc/api/video_codecs/bitstream_parser_api_gn/moz.build
 index 866df39c97a7..a20debacf2b1 100644
 --- third_party/libwebrtc/api/video_codecs/bitstream_parser_api_gn/moz.build
 +++ third_party/libwebrtc/api/video_codecs/bitstream_parser_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("bitstream_parser_api_gn")
 diff --git third_party/libwebrtc/api/video_codecs/rtc_software_fallback_wrappers_gn/moz.build third_party/libwebrtc/api/video_codecs/rtc_software_fallback_wrappers_gn/moz.build
 index e8139cb6f264..554a2bc0b150 100644
 --- third_party/libwebrtc/api/video_codecs/rtc_software_fallback_wrappers_gn/moz.build
 +++ third_party/libwebrtc/api/video_codecs/rtc_software_fallback_wrappers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_software_fallback_wrappers_gn")
 diff --git third_party/libwebrtc/api/video_codecs/scalability_mode_gn/moz.build third_party/libwebrtc/api/video_codecs/scalability_mode_gn/moz.build
 index 491c4880cc46..874d12b31e06 100644
 --- third_party/libwebrtc/api/video_codecs/scalability_mode_gn/moz.build
 +++ third_party/libwebrtc/api/video_codecs/scalability_mode_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("scalability_mode_gn")
 diff --git third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
-index c6c127e5b607..c866cb6d800f 100644
+index 13a1c027cfba..56d51a419490 100644
 --- third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
 +++ third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
-@@ -53,185 +63,32 @@ if not CONFIG["MOZ_DEBUG"]:
+@@ -54,185 +64,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_codecs_api_gn")
 diff --git third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory_gn/moz.build third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory_gn/moz.build
 index 7131057c2f1c..eff6026011a0 100644
 --- third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory_gn/moz.build
 +++ third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("vp8_temporal_layers_factory_gn")
 diff --git third_party/libwebrtc/api/video_track_source_constraints_gn/moz.build third_party/libwebrtc/api/video_track_source_constraints_gn/moz.build
 index 9e9852b71fa3..b1b79e03c8ee 100644
 --- third_party/libwebrtc/api/video_track_source_constraints_gn/moz.build
 +++ third_party/libwebrtc/api/video_track_source_constraints_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_track_source_constraints_gn")
 diff --git third_party/libwebrtc/audio/audio_gn/moz.build third_party/libwebrtc/audio/audio_gn/moz.build
 index da615157b20d..bb58c94c5403 100644
 --- third_party/libwebrtc/audio/audio_gn/moz.build
 +++ third_party/libwebrtc/audio/audio_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -55,190 +65,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_gn")
 diff --git third_party/libwebrtc/audio/utility/audio_frame_operations_gn/moz.build third_party/libwebrtc/audio/utility/audio_frame_operations_gn/moz.build
 index 6489497db43a..aab0bc81b0aa 100644
 --- third_party/libwebrtc/audio/utility/audio_frame_operations_gn/moz.build
 +++ third_party/libwebrtc/audio/utility/audio_frame_operations_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_frame_operations_gn")
 diff --git third_party/libwebrtc/call/adaptation/resource_adaptation_gn/moz.build third_party/libwebrtc/call/adaptation/resource_adaptation_gn/moz.build
 index 79a2aa9defd9..6e627cb67c35 100644
 --- third_party/libwebrtc/call/adaptation/resource_adaptation_gn/moz.build
 +++ third_party/libwebrtc/call/adaptation/resource_adaptation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -52,190 +62,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("resource_adaptation_gn")
 diff --git third_party/libwebrtc/call/audio_sender_interface_gn/moz.build third_party/libwebrtc/call/audio_sender_interface_gn/moz.build
 index a53966813f73..6f80ac1cc6e5 100644
 --- third_party/libwebrtc/call/audio_sender_interface_gn/moz.build
 +++ third_party/libwebrtc/call/audio_sender_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_sender_interface_gn")
 diff --git third_party/libwebrtc/call/bitrate_allocator_gn/moz.build third_party/libwebrtc/call/bitrate_allocator_gn/moz.build
 index db772f8d3965..79b7f726fe25 100644
 --- third_party/libwebrtc/call/bitrate_allocator_gn/moz.build
 +++ third_party/libwebrtc/call/bitrate_allocator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bitrate_allocator_gn")
 diff --git third_party/libwebrtc/call/bitrate_configurator_gn/moz.build third_party/libwebrtc/call/bitrate_configurator_gn/moz.build
 index f7c51b4a7ccd..d5840ec1a784 100644
 --- third_party/libwebrtc/call/bitrate_configurator_gn/moz.build
 +++ third_party/libwebrtc/call/bitrate_configurator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bitrate_configurator_gn")
 diff --git third_party/libwebrtc/call/call_gn/moz.build third_party/libwebrtc/call/call_gn/moz.build
 index 20f1f973a5da..172d26827022 100644
 --- third_party/libwebrtc/call/call_gn/moz.build
 +++ third_party/libwebrtc/call/call_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("call_gn")
 diff --git third_party/libwebrtc/call/call_interfaces_gn/moz.build third_party/libwebrtc/call/call_interfaces_gn/moz.build
 index a7db90d471a3..0c8e7e07006f 100644
 --- third_party/libwebrtc/call/call_interfaces_gn/moz.build
 +++ third_party/libwebrtc/call/call_interfaces_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -49,190 +59,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("call_interfaces_gn")
 diff --git third_party/libwebrtc/call/receive_stream_interface_gn/moz.build third_party/libwebrtc/call/receive_stream_interface_gn/moz.build
 index f25941483566..99fc4b2ce9c4 100644
 --- third_party/libwebrtc/call/receive_stream_interface_gn/moz.build
 +++ third_party/libwebrtc/call/receive_stream_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("receive_stream_interface_gn")
 diff --git third_party/libwebrtc/call/rtp_interfaces_gn/moz.build third_party/libwebrtc/call/rtp_interfaces_gn/moz.build
 index d5223f0b8b4e..384f284c4233 100644
 --- third_party/libwebrtc/call/rtp_interfaces_gn/moz.build
 +++ third_party/libwebrtc/call/rtp_interfaces_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_interfaces_gn")
 diff --git third_party/libwebrtc/call/rtp_receiver_gn/moz.build third_party/libwebrtc/call/rtp_receiver_gn/moz.build
 index b6b43b0afac7..a35b27249321 100644
 --- third_party/libwebrtc/call/rtp_receiver_gn/moz.build
 +++ third_party/libwebrtc/call/rtp_receiver_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_receiver_gn")
 diff --git third_party/libwebrtc/call/rtp_sender_gn/moz.build third_party/libwebrtc/call/rtp_sender_gn/moz.build
 index 54d111541751..864bbdfd7819 100644
 --- third_party/libwebrtc/call/rtp_sender_gn/moz.build
 +++ third_party/libwebrtc/call/rtp_sender_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_sender_gn")
 diff --git third_party/libwebrtc/call/version_gn/moz.build third_party/libwebrtc/call/version_gn/moz.build
 index 28745e4fc6de..43695342b267 100644
 --- third_party/libwebrtc/call/version_gn/moz.build
 +++ third_party/libwebrtc/call/version_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("version_gn")
 diff --git third_party/libwebrtc/call/video_stream_api_gn/moz.build third_party/libwebrtc/call/video_stream_api_gn/moz.build
 index cf58d3748ec0..c2ee6bd9eb51 100644
 --- third_party/libwebrtc/call/video_stream_api_gn/moz.build
 +++ third_party/libwebrtc/call/video_stream_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_stream_api_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_avx2_gn/moz.build third_party/libwebrtc/common_audio/common_audio_avx2_gn/moz.build
 index 708eb92e1e45..0b18db99441c 100644
 --- third_party/libwebrtc/common_audio/common_audio_avx2_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_avx2_gn/moz.build
 @@ -17,12 +17,22 @@ CXXFLAGS += [
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,137 +60,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_audio_avx2_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_c_arm_asm_gn/moz.build third_party/libwebrtc/common_audio/common_audio_c_arm_asm_gn/moz.build
 index deb2dbe3011d..4adf2cb0a3ff 100644
 --- third_party/libwebrtc/common_audio/common_audio_c_arm_asm_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_c_arm_asm_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,112 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse_arm.S",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12_armv7.S"
 -    ]
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -154,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("common_audio_c_arm_asm_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_c_gn/moz.build third_party/libwebrtc/common_audio/common_audio_c_gn/moz.build
 index 77ad77a1d59c..57ae8a9c5502 100644
 --- third_party/libwebrtc/common_audio/common_audio_c_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -80,117 +90,12 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 +    DEFINES["_DEBUG"] = True
  
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 +if CONFIG["TARGET_CPU"] == "aarch64":
  
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["WEBRTC_ARCH_ARM64"] = True
 +    DEFINES["WEBRTC_HAS_NEON"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 @@ -198,26 +103,10 @@ if CONFIG["OS_TARGET"] == "WINNT":
          "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
      ]
  
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/resample_by_2_mips.c"
 @@ -234,8 +123,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
  
  if CONFIG["TARGET_CPU"] == "mips64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
          "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
 @@ -250,88 +137,21 @@ if CONFIG["TARGET_CPU"] == "ppc64":
          "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
      ]
  
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["TARGET_CPU"] == "riscv64":
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 +        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
          "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CFLAGS += [
          "-msse2"
      ]
  
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 @@ -339,13 +159,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
          "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 @@ -353,14 +169,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
          "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_bit_reverse.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/complex_fft.c",
 -        "/third_party/libwebrtc/common_audio/signal_processing/filter_ar_fast_q12.c"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_audio_c_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_cc_gn/moz.build third_party/libwebrtc/common_audio/common_audio_cc_gn/moz.build
 index 9fc98aac37b4..ccbce8a93a86 100644
 --- third_party/libwebrtc/common_audio/common_audio_cc_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_cc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_audio_cc_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_gn/moz.build third_party/libwebrtc/common_audio/common_audio_gn/moz.build
 index ee91cec7752d..208fd6af96b7 100644
 --- third_party/libwebrtc/common_audio/common_audio_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -56,189 +66,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_audio_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_neon_c_gn/moz.build third_party/libwebrtc/common_audio/common_audio_neon_c_gn/moz.build
 index 3890cd0f9429..665f9d57f8fa 100644
 --- third_party/libwebrtc/common_audio/common_audio_neon_c_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_neon_c_gn/moz.build
 @@ -12,12 +12,23 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_ARCH_ARM64"] = True
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_HAS_NEON"] = True
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,151 +57,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -
  Library("common_audio_neon_c_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_neon_gn/moz.build third_party/libwebrtc/common_audio/common_audio_neon_gn/moz.build
 index b8b06ffc74bc..7b093b38218c 100644
 --- third_party/libwebrtc/common_audio/common_audio_neon_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_neon_gn/moz.build
 @@ -12,12 +12,23 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_ARCH_ARM64"] = True
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_HAS_NEON"] = True
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,151 +56,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -
  Library("common_audio_neon_gn")
 diff --git third_party/libwebrtc/common_audio/common_audio_sse2_gn/moz.build third_party/libwebrtc/common_audio/common_audio_sse2_gn/moz.build
 index 7f0b17b28760..60b8bdd048ee 100644
 --- third_party/libwebrtc/common_audio/common_audio_sse2_gn/moz.build
 +++ third_party/libwebrtc/common_audio/common_audio_sse2_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,159 +55,23 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2",
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    CXXFLAGS += [
 -        "-msse2",
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_audio_sse2_gn")
 diff --git third_party/libwebrtc/common_audio/fir_filter_factory_gn/moz.build third_party/libwebrtc/common_audio/fir_filter_factory_gn/moz.build
 index e5cef248325a..8c94cafaea8c 100644
 --- third_party/libwebrtc/common_audio/fir_filter_factory_gn/moz.build
 +++ third_party/libwebrtc/common_audio/fir_filter_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("fir_filter_factory_gn")
 diff --git third_party/libwebrtc/common_audio/fir_filter_gn/moz.build third_party/libwebrtc/common_audio/fir_filter_gn/moz.build
 index 4140a3529209..a2f52d00f787 100644
 --- third_party/libwebrtc/common_audio/fir_filter_gn/moz.build
 +++ third_party/libwebrtc/common_audio/fir_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("fir_filter_gn")
 diff --git third_party/libwebrtc/common_audio/sinc_resampler_gn/moz.build third_party/libwebrtc/common_audio/sinc_resampler_gn/moz.build
 index ec0b21c2fc07..920ecc6786e2 100644
 --- third_party/libwebrtc/common_audio/sinc_resampler_gn/moz.build
 +++ third_party/libwebrtc/common_audio/sinc_resampler_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("sinc_resampler_gn")
 diff --git third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128_gn/moz.build third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128_gn/moz.build
 index 6efbe87f02e4..6516aa36e738 100644
 --- third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128_gn/moz.build
 +++ third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,101 +53,7 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
 @@ -148,128 +64,42 @@ if CONFIG["TARGET_CPU"] == "aarch64":
          "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_neon.cc"
      ]
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_neon.cc"
 -    ]
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_mips.cc"
      ]
  
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_sse2.cc"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_sse2.cc"
 -    ]
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2",
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "x86_64":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 +    UNIFIED_SOURCES += [
 +        "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_sse2.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
      CXXFLAGS += [
 -        "-msse2",
          "-msse2"
      ]
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 +    UNIFIED_SOURCES += [
 +        "/third_party/libwebrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_sse2.cc"
      ]
  
 -    DEFINES["_GNU_SOURCE"] = True
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("fft_size_128_gn")
 diff --git third_party/libwebrtc/common_audio/third_party/ooura/fft_size_256_gn/moz.build third_party/libwebrtc/common_audio/third_party/ooura/fft_size_256_gn/moz.build
 index d1e512c383fe..e684b91a0664 100644
 --- third_party/libwebrtc/common_audio/third_party/ooura/fft_size_256_gn/moz.build
 +++ third_party/libwebrtc/common_audio/third_party/ooura/fft_size_256_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("fft_size_256_gn")
 diff --git third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_gn/moz.build third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_gn/moz.build
 index 718ca3b4e8a9..bfb7cde7d729 100644
 --- third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_gn/moz.build
 +++ third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,119 +49,21 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_arm.S"
 +    UNIFIED_SOURCES += [
 +        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
  
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor_mips.c"
 @@ -159,8 +71,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
  
  if CONFIG["TARGET_CPU"] == "mips64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
 @@ -171,102 +81,34 @@ if CONFIG["TARGET_CPU"] == "ppc64":
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
  
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["TARGET_CPU"] == "riscv64":
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CFLAGS += [
          "-msse2"
      ]
  
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      UNIFIED_SOURCES += [
          "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/common_audio/third_party/spl_sqrt_floor/spl_sqrt_floor.c"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("spl_sqrt_floor_gn")
 diff --git third_party/libwebrtc/common_video/common_video_gn/moz.build third_party/libwebrtc/common_video/common_video_gn/moz.build
 index 4572d78fab12..aaaed70ce9a2 100644
 --- third_party/libwebrtc/common_video/common_video_gn/moz.build
 +++ third_party/libwebrtc/common_video/common_video_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -55,185 +65,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("common_video_gn")
 diff --git third_party/libwebrtc/common_video/frame_counts_gn/moz.build third_party/libwebrtc/common_video/frame_counts_gn/moz.build
 index 0727032aea53..b83174b75ce7 100644
 --- third_party/libwebrtc/common_video/frame_counts_gn/moz.build
 +++ third_party/libwebrtc/common_video/frame_counts_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("frame_counts_gn")
 diff --git third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_descriptor_gn/moz.build third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_descriptor_gn/moz.build
 index 1b9792fe565e..ecc27ae7537e 100644
 --- third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_descriptor_gn/moz.build
 +++ third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_descriptor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("generic_frame_descriptor_gn")
 diff --git third_party/libwebrtc/experiments/registered_field_trials_gn/moz.build third_party/libwebrtc/experiments/registered_field_trials_gn/moz.build
 index f2614358531f..c4bdc6ec5e67 100644
 --- third_party/libwebrtc/experiments/registered_field_trials_gn/moz.build
 +++ third_party/libwebrtc/experiments/registered_field_trials_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("registered_field_trials_gn")
 diff --git third_party/libwebrtc/experiments/registered_field_trials_header_gn/moz.build third_party/libwebrtc/experiments/registered_field_trials_header_gn/moz.build
 index 2f9f14acb430..f8143d2798f0 100644
 --- third_party/libwebrtc/experiments/registered_field_trials_header_gn/moz.build
 +++ third_party/libwebrtc/experiments/registered_field_trials_header_gn/moz.build
 @@ -31,9 +31,4 @@ LOCAL_INCLUDES += [
      "/tools/profiler/public"
  ]
  
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["UNICODE"] = True
 -    DEFINES["_UNICODE"] = True
 -
  Library("registered_field_trials_header_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_audio_gn/moz.build third_party/libwebrtc/logging/rtc_event_audio_gn/moz.build
 index 806981ed688c..5286d0893211 100644
 --- third_party/libwebrtc/logging/rtc_event_audio_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_audio_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,185 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_audio_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_bwe_gn/moz.build third_party/libwebrtc/logging/rtc_event_bwe_gn/moz.build
 index d1f1deac9a5a..c9e2dbbd60a6 100644
 --- third_party/libwebrtc/logging/rtc_event_bwe_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_bwe_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,185 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_bwe_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_field_gn/moz.build third_party/libwebrtc/logging/rtc_event_field_gn/moz.build
 index 2c6740f28f86..e03e19ffe137 100644
 --- third_party/libwebrtc/logging/rtc_event_field_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_field_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_field_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_log_parse_status_gn/moz.build third_party/libwebrtc/logging/rtc_event_log_parse_status_gn/moz.build
 index 2936d8ef48a0..a2cfdaa1e322 100644
 --- third_party/libwebrtc/logging/rtc_event_log_parse_status_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_log_parse_status_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtc_event_log_parse_status_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_number_encodings_gn/moz.build third_party/libwebrtc/logging/rtc_event_number_encodings_gn/moz.build
 index 6ecf9077cf03..ccdfd183ece3 100644
 --- third_party/libwebrtc/logging/rtc_event_number_encodings_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_number_encodings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,178 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_number_encodings_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_pacing_gn/moz.build third_party/libwebrtc/logging/rtc_event_pacing_gn/moz.build
 index f0e8d5d4e8ed..76f4e6aaf79d 100644
 --- third_party/libwebrtc/logging/rtc_event_pacing_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_pacing_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_pacing_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_rtp_rtcp_gn/moz.build third_party/libwebrtc/logging/rtc_event_rtp_rtcp_gn/moz.build
 index 082924c2d04a..c36201f6936f 100644
 --- third_party/libwebrtc/logging/rtc_event_rtp_rtcp_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_rtp_rtcp_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,189 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_rtp_rtcp_gn")
 diff --git third_party/libwebrtc/logging/rtc_event_video_gn/moz.build third_party/libwebrtc/logging/rtc_event_video_gn/moz.build
 index 6e74aef635a8..ce50ff600882 100644
 --- third_party/libwebrtc/logging/rtc_event_video_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_event_video_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_video_gn")
 diff --git third_party/libwebrtc/logging/rtc_stream_config_gn/moz.build third_party/libwebrtc/logging/rtc_stream_config_gn/moz.build
 index 935bf8bbf982..554779329f71 100644
 --- third_party/libwebrtc/logging/rtc_stream_config_gn/moz.build
 +++ third_party/libwebrtc/logging/rtc_stream_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_stream_config_gn")
 diff --git third_party/libwebrtc/media/codec_gn/moz.build third_party/libwebrtc/media/codec_gn/moz.build
 index b5ebd454d311..0e5621e98050 100644
 --- third_party/libwebrtc/media/codec_gn/moz.build
 +++ third_party/libwebrtc/media/codec_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("codec_gn")
 diff --git third_party/libwebrtc/media/media_channel_gn/moz.build third_party/libwebrtc/media/media_channel_gn/moz.build
 index c6653685687c..dc7b58e842ae 100644
 --- third_party/libwebrtc/media/media_channel_gn/moz.build
 +++ third_party/libwebrtc/media/media_channel_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,123 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -165,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("media_channel_gn")
 diff --git third_party/libwebrtc/media/media_channel_impl_gn/moz.build third_party/libwebrtc/media/media_channel_impl_gn/moz.build
 index 27bfa53fffd8..172ee56822ee 100644
 --- third_party/libwebrtc/media/media_channel_impl_gn/moz.build
 +++ third_party/libwebrtc/media/media_channel_impl_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("media_channel_impl_gn")
 diff --git third_party/libwebrtc/media/media_constants_gn/moz.build third_party/libwebrtc/media/media_constants_gn/moz.build
 index 95a0c3a056ad..f824cfa02a97 100644
 --- third_party/libwebrtc/media/media_constants_gn/moz.build
 +++ third_party/libwebrtc/media/media_constants_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("media_constants_gn")
 diff --git third_party/libwebrtc/media/rid_description_gn/moz.build third_party/libwebrtc/media/rid_description_gn/moz.build
 index 944901a1ca8b..5002ea1e568b 100644
 --- third_party/libwebrtc/media/rid_description_gn/moz.build
 +++ third_party/libwebrtc/media/rid_description_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rid_description_gn")
 diff --git third_party/libwebrtc/media/rtc_media_base_gn/moz.build third_party/libwebrtc/media/rtc_media_base_gn/moz.build
 index a5b3661adc45..a8cbb815b3dc 100644
 --- third_party/libwebrtc/media/rtc_media_base_gn/moz.build
 +++ third_party/libwebrtc/media/rtc_media_base_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,190 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_media_base_gn")
 diff --git third_party/libwebrtc/media/rtc_media_config_gn/moz.build third_party/libwebrtc/media/rtc_media_config_gn/moz.build
 index 8f3f81cc5b25..5f7ef130f434 100644
 --- third_party/libwebrtc/media/rtc_media_config_gn/moz.build
 +++ third_party/libwebrtc/media/rtc_media_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtc_media_config_gn")
 diff --git third_party/libwebrtc/media/rtc_simulcast_encoder_adapter_gn/moz.build third_party/libwebrtc/media/rtc_simulcast_encoder_adapter_gn/moz.build
 index 6b1032e1b0d5..d923f1e5407f 100644
 --- third_party/libwebrtc/media/rtc_simulcast_encoder_adapter_gn/moz.build
 +++ third_party/libwebrtc/media/rtc_simulcast_encoder_adapter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_simulcast_encoder_adapter_gn")
 diff --git third_party/libwebrtc/media/rtp_utils_gn/moz.build third_party/libwebrtc/media/rtp_utils_gn/moz.build
 index e2e5c11695a9..3a5eee57c3c6 100644
 --- third_party/libwebrtc/media/rtp_utils_gn/moz.build
 +++ third_party/libwebrtc/media/rtp_utils_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtp_utils_gn")
 diff --git third_party/libwebrtc/media/stream_params_gn/moz.build third_party/libwebrtc/media/stream_params_gn/moz.build
 index 1582a42c0d4d..4c9a675fed35 100644
 --- third_party/libwebrtc/media/stream_params_gn/moz.build
 +++ third_party/libwebrtc/media/stream_params_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("stream_params_gn")
 diff --git third_party/libwebrtc/modules/async_audio_processing/async_audio_processing_gn/moz.build third_party/libwebrtc/modules/async_audio_processing/async_audio_processing_gn/moz.build
 index dfff9870432d..b34d55194ffa 100644
 --- third_party/libwebrtc/modules/async_audio_processing/async_audio_processing_gn/moz.build
 +++ third_party/libwebrtc/modules/async_audio_processing/async_audio_processing_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("async_audio_processing_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_coding_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_coding_gn/moz.build
 index 88fa77a0e25d..1beb494d070e 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_coding_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_coding_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,189 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_coding_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_coding_module_typedefs_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_coding_module_typedefs_gn/moz.build
 index 851dd7b58ea3..662101a6da02 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_coding_module_typedefs_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_coding_module_typedefs_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_coding_module_typedefs_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_coding_opus_common_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_coding_opus_common_gn/moz.build
 index e509916cfd65..07e4babacbee 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_coding_opus_common_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_coding_opus_common_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_coding_opus_common_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_encoder_cng_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_encoder_cng_gn/moz.build
 index 782941906573..7e607a103229 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_encoder_cng_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_encoder_cng_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_encoder_cng_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_config_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_config_gn/moz.build
 index de87e8b03398..af6c05a7ac37 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_config_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_network_adaptor_config_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_gn/moz.build third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_gn/moz.build
 index 8a371a9aaf33..2bc0c19c36ad 100644
 --- third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/audio_network_adaptor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -53,189 +63,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_network_adaptor_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/default_neteq_factory_gn/moz.build third_party/libwebrtc/modules/audio_coding/default_neteq_factory_gn/moz.build
 index d7928549d7d4..f37caf681b50 100644
 --- third_party/libwebrtc/modules/audio_coding/default_neteq_factory_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/default_neteq_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("default_neteq_factory_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/g711_c_gn/moz.build third_party/libwebrtc/modules/audio_coding/g711_c_gn/moz.build
 index bedb8fc4771d..ca3e24ca4b66 100644
 --- third_party/libwebrtc/modules/audio_coding/g711_c_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/g711_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g711_c_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/g711_gn/moz.build third_party/libwebrtc/modules/audio_coding/g711_gn/moz.build
 index 103d89c6d88f..5ca4c8481054 100644
 --- third_party/libwebrtc/modules/audio_coding/g711_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/g711_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g711_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/g722_c_gn/moz.build third_party/libwebrtc/modules/audio_coding/g722_c_gn/moz.build
 index 48137ada8562..b91e6ceef362 100644
 --- third_party/libwebrtc/modules/audio_coding/g722_c_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/g722_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g722_c_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/g722_gn/moz.build third_party/libwebrtc/modules/audio_coding/g722_gn/moz.build
 index 81eb8704662b..1023ae364204 100644
 --- third_party/libwebrtc/modules/audio_coding/g722_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/g722_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g722_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/ilbc_c_gn/moz.build third_party/libwebrtc/modules/audio_coding/ilbc_c_gn/moz.build
 index d3aa4e00180f..a4630b7e5435 100644
 --- third_party/libwebrtc/modules/audio_coding/ilbc_c_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/ilbc_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -111,189 +121,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("ilbc_c_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/ilbc_gn/moz.build third_party/libwebrtc/modules/audio_coding/ilbc_gn/moz.build
 index 9a397a1fdcf7..4a8e42c833db 100644
 --- third_party/libwebrtc/modules/audio_coding/ilbc_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/ilbc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("ilbc_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/isac_bwinfo_gn/moz.build third_party/libwebrtc/modules/audio_coding/isac_bwinfo_gn/moz.build
 index fdfc4fc85541..dc793c09c02f 100644
 --- third_party/libwebrtc/modules/audio_coding/isac_bwinfo_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/isac_bwinfo_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("isac_bwinfo_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/isac_vad_gn/moz.build third_party/libwebrtc/modules/audio_coding/isac_vad_gn/moz.build
 index 1b599c5e5148..cab48c87fd99 100644
 --- third_party/libwebrtc/modules/audio_coding/isac_vad_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/isac_vad_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,174 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("isac_vad_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/legacy_encoded_audio_frame_gn/moz.build third_party/libwebrtc/modules/audio_coding/legacy_encoded_audio_frame_gn/moz.build
 index b884cb8d99d1..cac379b6b793 100644
 --- third_party/libwebrtc/modules/audio_coding/legacy_encoded_audio_frame_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/legacy_encoded_audio_frame_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("legacy_encoded_audio_frame_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/neteq_gn/moz.build third_party/libwebrtc/modules/audio_coding/neteq_gn/moz.build
-index 834a8d1265d4..57d0a614a954 100644
+index 9b2996fa22d9..3ac873404dd5 100644
 --- third_party/libwebrtc/modules/audio_coding/neteq_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/neteq_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
-@@ -78,189 +88,32 @@ if not CONFIG["MOZ_DEBUG"]:
+@@ -77,189 +87,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("neteq_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/pcm16b_c_gn/moz.build third_party/libwebrtc/modules/audio_coding/pcm16b_c_gn/moz.build
 index ef0c150cb8b7..929298145fe6 100644
 --- third_party/libwebrtc/modules/audio_coding/pcm16b_c_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/pcm16b_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pcm16b_c_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/pcm16b_gn/moz.build third_party/libwebrtc/modules/audio_coding/pcm16b_gn/moz.build
 index a1d9c8009d63..f2c0266976ea 100644
 --- third_party/libwebrtc/modules/audio_coding/pcm16b_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/pcm16b_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,185 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pcm16b_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/red_gn/moz.build third_party/libwebrtc/modules/audio_coding/red_gn/moz.build
 index ab0d8129bb7d..7f59f0ce2a61 100644
 --- third_party/libwebrtc/modules/audio_coding/red_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/red_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("red_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/webrtc_cng_gn/moz.build third_party/libwebrtc/modules/audio_coding/webrtc_cng_gn/moz.build
 index d077aaa930c2..644ed46e25af 100644
 --- third_party/libwebrtc/modules/audio_coding/webrtc_cng_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/webrtc_cng_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_cng_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/webrtc_multiopus_gn/moz.build third_party/libwebrtc/modules/audio_coding/webrtc_multiopus_gn/moz.build
 index d48fd6817440..2cdd2e8966cc 100644
 --- third_party/libwebrtc/modules/audio_coding/webrtc_multiopus_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/webrtc_multiopus_gn/moz.build
 @@ -12,14 +12,24 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_CODEC_ILBC"] = True
  DEFINES["WEBRTC_CODEC_OPUS"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_OPUS_SUPPORT_120MS_PTIME"] = "1"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,185 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_multiopus_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/webrtc_opus_gn/moz.build third_party/libwebrtc/modules/audio_coding/webrtc_opus_gn/moz.build
 index 02986beaa4e3..b9964a572e72 100644
 --- third_party/libwebrtc/modules/audio_coding/webrtc_opus_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/webrtc_opus_gn/moz.build
 @@ -12,14 +12,24 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_CODEC_ILBC"] = True
  DEFINES["WEBRTC_CODEC_OPUS"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_OPUS_SUPPORT_120MS_PTIME"] = "1"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,189 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_opus_gn")
 diff --git third_party/libwebrtc/modules/audio_coding/webrtc_opus_wrapper_gn/moz.build third_party/libwebrtc/modules/audio_coding/webrtc_opus_wrapper_gn/moz.build
 index e6c31b48b55c..75cf2ac66f90 100644
 --- third_party/libwebrtc/modules/audio_coding/webrtc_opus_wrapper_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_coding/webrtc_opus_wrapper_gn/moz.build
 @@ -12,14 +12,24 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_CODEC_ILBC"] = True
  DEFINES["WEBRTC_CODEC_OPUS"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_OPUS_SUPPORT_120MS_PTIME"] = "1"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,185 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_opus_wrapper_gn")
 diff --git third_party/libwebrtc/modules/audio_device/audio_device_gn/moz.build third_party/libwebrtc/modules/audio_device/audio_device_gn/moz.build
 index 4128efbbf853..9c87f7c0eb47 100644
 --- third_party/libwebrtc/modules/audio_device/audio_device_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_device/audio_device_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_device_gn")
 diff --git third_party/libwebrtc/modules/audio_mixer/audio_frame_manipulator_gn/moz.build third_party/libwebrtc/modules/audio_mixer/audio_frame_manipulator_gn/moz.build
 index cc60512cdabe..76eea8d6f4b7 100644
 --- third_party/libwebrtc/modules/audio_mixer/audio_frame_manipulator_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_mixer/audio_frame_manipulator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_frame_manipulator_gn")
 diff --git third_party/libwebrtc/modules/audio_mixer/audio_mixer_impl_gn/moz.build third_party/libwebrtc/modules/audio_mixer/audio_mixer_impl_gn/moz.build
 index 65959399415c..7e31717972c2 100644
 --- third_party/libwebrtc/modules/audio_mixer/audio_mixer_impl_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_mixer/audio_mixer_impl_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,189 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_mixer_impl_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_erl_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_erl_gn/moz.build
 index 7435b6a4572e..45caaf66c9d3 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_erl_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_erl_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("adaptive_fir_filter_erl_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_gn/moz.build
 index 0d2471073d20..7f00a42dad1a 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/adaptive_fir_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("adaptive_fir_filter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn/moz.build
 index f9844b65210b..8581bbea27b3 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn/moz.build
 @@ -17,13 +17,23 @@ CXXFLAGS += [
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -54,137 +64,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("aec3_avx2_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/aec3_common_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/aec3_common_gn/moz.build
 index 8d9c4e6bd7f2..644f510a92b4 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/aec3_common_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/aec3_common_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("aec3_common_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/aec3_fft_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/aec3_fft_gn/moz.build
 index d403ae8b96d1..b39c407de26b 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/aec3_fft_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/aec3_fft_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("aec3_fft_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/aec3_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/aec3_gn/moz.build
 index 85e56542311d..0ef6f85dcfa2 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/aec3_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/aec3_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -100,189 +110,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("aec3_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/fft_data_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/fft_data_gn/moz.build
 index aa1aaf15d9cf..a04b6dc8ae72 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/fft_data_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/fft_data_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("fft_data_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/matched_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/matched_filter_gn/moz.build
 index 0ebdb0798f34..1fb2bf245b0b 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/matched_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/matched_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("matched_filter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/render_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/render_buffer_gn/moz.build
 index 6444c3137ffb..080f579f017c 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/render_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/render_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("render_buffer_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec3/vector_math_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec3/vector_math_gn/moz.build
 index 9cf3a7842afc..8d526768fe2b 100644
 --- third_party/libwebrtc/modules/audio_processing/aec3/vector_math_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec3/vector_math_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("vector_math_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec_dump/aec_dump_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec_dump/aec_dump_gn/moz.build
 index 13420467de7a..4fd80b10de2e 100644
 --- third_party/libwebrtc/modules/audio_processing/aec_dump/aec_dump_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec_dump/aec_dump_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("aec_dump_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec_dump/null_aec_dump_factory_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec_dump/null_aec_dump_factory_gn/moz.build
 index 4e8b16442dd6..29c503fd1b35 100644
 --- third_party/libwebrtc/modules/audio_processing/aec_dump/null_aec_dump_factory_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec_dump/null_aec_dump_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("null_aec_dump_factory_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aec_dump_interface_gn/moz.build third_party/libwebrtc/modules/audio_processing/aec_dump_interface_gn/moz.build
 index 89ae50807341..336b06122354 100644
 --- third_party/libwebrtc/modules/audio_processing/aec_dump_interface_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aec_dump_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("aec_dump_interface_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_gn/moz.build third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_gn/moz.build
 index ca3ffeb81e25..4dec482b58ab 100644
 --- third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,117 +54,7 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
 @@ -162,20 +62,7 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_HAS_NEON"] = True
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_neon.cc"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -    SOURCES += [
 +        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc",
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_neon.cc"
      ]
  
 @@ -183,7 +70,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      SOURCES += [
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_mips.cc"
 @@ -191,8 +77,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
  
  if CONFIG["TARGET_CPU"] == "mips64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
      SOURCES += [
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
      ]
 @@ -203,90 +87,34 @@ if CONFIG["TARGET_CPU"] == "ppc64":
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
      ]
  
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 +if CONFIG["TARGET_CPU"] == "riscv64":
  
      SOURCES += [
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      SOURCES += [
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
      SOURCES += [
          "/third_party/libwebrtc/modules/audio_processing/aecm/aecm_core_c.cc"
      ]
  
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 +
 +    DEFINES["USE_X11"] = "1"
 +
  Library("aecm_core_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc/agc_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc/agc_gn/moz.build
 index f26489f41313..0bf849711117 100644
 --- third_party/libwebrtc/modules/audio_processing/agc/agc_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc/agc_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("agc_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc/gain_control_interface_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc/gain_control_interface_gn/moz.build
 index ebf241f7a5db..81bfd7afd255 100644
 --- third_party/libwebrtc/modules/audio_processing/agc/gain_control_interface_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc/gain_control_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("gain_control_interface_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc/legacy_agc_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc/legacy_agc_gn/moz.build
 index aa5c6835cc92..7780faadc89c 100644
 --- third_party/libwebrtc/modules/audio_processing/agc/legacy_agc_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc/legacy_agc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("legacy_agc_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc/level_estimation_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc/level_estimation_gn/moz.build
 index a27255566212..6a905df4ed20 100644
 --- third_party/libwebrtc/modules/audio_processing/agc/level_estimation_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc/level_estimation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("level_estimation_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/adaptive_digital_gain_controller_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/adaptive_digital_gain_controller_gn/moz.build
 index 5e3b5801ad2e..2c59f64717cf 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/adaptive_digital_gain_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/adaptive_digital_gain_controller_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("adaptive_digital_gain_controller_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/biquad_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/biquad_filter_gn/moz.build
 index d9520efe2fad..c8a383c619f6 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/biquad_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/biquad_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("biquad_filter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor_gn/moz.build
 index dbf53e8e8edd..8859fbd93187 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("clipping_predictor_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/common_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/common_gn/moz.build
 index 44307f414752..bd6ed025dd1e 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/common_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/common_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("common_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/cpu_features_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/cpu_features_gn/moz.build
 index e842cac9c346..638f16d62cad 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/cpu_features_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/cpu_features_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("cpu_features_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/fixed_digital_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/fixed_digital_gn/moz.build
 index 60614d4cc1af..0dc44f1fda4d 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/fixed_digital_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/fixed_digital_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,189 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("fixed_digital_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
 index 691900e3567c..c8dc6b50f073 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("gain_applier_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/gain_map_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/gain_map_gn/moz.build
 index ee04e973fbc1..910e1f47a627 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/gain_map_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/gain_map_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("gain_map_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/input_volume_controller_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/input_volume_controller_gn/moz.build
 index 0bde4db9d450..ae8b8ea97657 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/input_volume_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/input_volume_controller_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("input_volume_controller_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter_gn/moz.build
 index b7d0a9ba8891..d92108c59272 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("input_volume_stats_reporter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/noise_level_estimator_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/noise_level_estimator_gn/moz.build
 index 210539ab46ff..2057bc49645f 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/noise_level_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/noise_level_estimator_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("noise_level_estimator_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_auto_correlation_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_auto_correlation_gn/moz.build
 index 7965a026ef10..a6688f3d2880 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_auto_correlation_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_auto_correlation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_auto_correlation_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_common_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_common_gn/moz.build
 index bdfe90cf1641..7a188fed0014 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_common_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_common_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rnn_vad_common_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_gn/moz.build
 index 6a73ce96e470..06b7c1408598 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_layers_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_layers_gn/moz.build
 index 27b40f13a545..23a0102c4071 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_layers_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_layers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_layers_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_lp_residual_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_lp_residual_gn/moz.build
 index d66ed412b2bc..58600753bf59 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_lp_residual_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_lp_residual_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_lp_residual_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_pitch_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_pitch_gn/moz.build
 index 0ddc85f5ac1e..76f782e606d1 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_pitch_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_pitch_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_pitch_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_ring_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_ring_buffer_gn/moz.build
 index 25e813a226e6..aeba82350dcf 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_ring_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_ring_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rnn_vad_ring_buffer_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_sequence_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_sequence_buffer_gn/moz.build
 index f54dd88a23c6..941c1d83c87a 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_sequence_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_sequence_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rnn_vad_sequence_buffer_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_spectral_features_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_spectral_features_gn/moz.build
 index d8b88047d758..d120c6a00f95 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_spectral_features_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_spectral_features_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_spectral_features_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_symmetric_matrix_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_symmetric_matrix_buffer_gn/moz.build
 index 4a3c5bf28b24..bea61cc9a325 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_symmetric_matrix_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_symmetric_matrix_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rnn_vad_symmetric_matrix_buffer_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn/moz.build
 index 01313fa46097..176b86944ca2 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn/moz.build
 @@ -17,12 +17,22 @@ CXXFLAGS += [
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -49,137 +59,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +    DEFINES["USE_X11"] = "1"
  
  Library("vector_math_avx2_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_gn/moz.build
 index 3f889133092c..8d526768fe2b 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("vector_math_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/saturation_protector_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/saturation_protector_gn/moz.build
 index 6562d840b746..7a45c00e5966 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/saturation_protector_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/saturation_protector_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("saturation_protector_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/speech_level_estimator_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/speech_level_estimator_gn/moz.build
 index 3afaa88450fa..eee602cf0088 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/speech_level_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/speech_level_estimator_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("speech_level_estimator_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/agc2/vad_wrapper_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/vad_wrapper_gn/moz.build
 index 3aa09832b239..dbe8fdf62b34 100644
 --- third_party/libwebrtc/modules/audio_processing/agc2/vad_wrapper_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/agc2/vad_wrapper_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("vad_wrapper_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/api_gn/moz.build third_party/libwebrtc/modules/audio_processing/api_gn/moz.build
 index 37e50af014ef..02a5a5977fb2 100644
 --- third_party/libwebrtc/modules/audio_processing/api_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("api_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
 index 53fd9d9f9456..7d069ced5f05 100644
 --- third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("apm_logging_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
 index 2087aeb9093f..07b14b4ad557 100644
 --- third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,189 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_buffer_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
 index 737ca5e83456..244e4b9f1e17 100644
 --- third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_frame_proxies_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
 index b7391a78b169..e6ffd17bd131 100644
 --- third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("audio_frame_view_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/audio_processing_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_processing_gn/moz.build
 index 5b4f4d5d5446..2d073c5534c0 100644
 --- third_party/libwebrtc/modules/audio_processing/audio_processing_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/audio_processing_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,189 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_processing_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/audio_processing_statistics_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_processing_statistics_gn/moz.build
 index 6b3e54c3f7f4..a1efc9d29d6b 100644
 --- third_party/libwebrtc/modules/audio_processing/audio_processing_statistics_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/audio_processing_statistics_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_processing_statistics_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
 index ad198344e2b8..2d0cb60d35c2 100644
 --- third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("capture_levels_adjuster_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
 index ab31e685646b..2309786d2b1c 100644
 --- third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("gain_controller2_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
 index af06d4142f2e..441defcc49c4 100644
 --- third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("high_pass_filter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
 index ac1c19134ab7..eb8ba5a7bc73 100644
 --- third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -56,189 +66,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("ns_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
 index da2a1b7ae331..67ab6a2a8454 100644
 --- third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("optionally_built_submodule_creators_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
 index d0c4b2bd8ed0..54810dea2903 100644
 --- third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rms_level_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
 index 44571715b8e4..1ee08a185597 100644
 --- third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("transient_suppressor_api_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
 index d700fc1a32bc..21fd63ba8c66 100644
 --- third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,189 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("transient_suppressor_impl_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
 index c67675f43128..a816267ba48b 100644
 --- third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("voice_probability_delay_unit_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
 index b6566a8950b5..f5811a132b51 100644
 --- third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("cascaded_biquad_filter_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
 index c20d5b618927..c97c6e245e5c 100644
 --- third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,178 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("legacy_delay_estimator_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
 index 936decab70ac..c3d938676efc 100644
 --- third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pffft_wrapper_gn")
 diff --git third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
 index 0ae31f5a2e27..951669e227b5 100644
 --- third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
 +++ third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,189 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("vad_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
 index 1190193b94b9..ca0e2eb0d4f3 100644
 --- third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("congestion_controller_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
 index 40fd1189aa13..7b699b35ae1c 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("alr_detector_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
 index e2087c61261d..ef4afa64817b 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("delay_based_bwe_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
 index 7b77d3dc865c..5d3384990b73 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -49,189 +59,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("estimators_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
 index 0e5182a469ec..e5abebc8e438 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("goog_cc_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/link_capacity_estimator_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/link_capacity_estimator_gn/moz.build
 index 04b78b5988c0..bf9b47761a6b 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/link_capacity_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/link_capacity_estimator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("link_capacity_estimator_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
 index d290fbe9ecfd..92f384be816c 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("loss_based_bwe_v1_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v2_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v2_gn/moz.build
 index 709bcdb93719..3a63a38d3def 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v2_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v2_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("loss_based_bwe_v2_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/probe_controller_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/probe_controller_gn/moz.build
 index 049ac6f47712..e3ef5aa27c28 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/probe_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/probe_controller_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("probe_controller_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/pushback_controller_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/pushback_controller_gn/moz.build
 index 6e1d0acff555..d0ba53b314f1 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/pushback_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/pushback_controller_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pushback_controller_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
 index 08cfdec69bc0..c2c328ca1180 100644
 --- third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("send_side_bwe_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn/moz.build third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn/moz.build
 index 62800e263d1a..bb0f0dcf3f16 100644
 --- third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("control_handler_gn")
 diff --git third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn/moz.build third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn/moz.build
 index 41f64326b268..341ba2492f8d 100644
 --- third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn/moz.build
 +++ third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("transport_feedback_gn")
 diff --git third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn/moz.build third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn/moz.build
 index e02d81561426..ab560df6adc1 100644
 --- third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn/moz.build
 +++ third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,113 +54,23 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 +    DEFINES["_DEBUG"] = True
  
 -if CONFIG["OS_TARGET"] == "Darwin":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
 +        "-msse2",
          "-msse2"
      ]
  
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2",
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
  Library("desktop_capture_differ_sse2_gn")
 diff --git third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn/moz.build third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn/moz.build
 index 3f0146acbf6f..166be4e7ceb6 100644
 --- third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn/moz.build
 +++ third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn/moz.build
 @@ -14,11 +14,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -70,188 +80,13 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/mac/full_screen_mac_application_handler.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/mac/window_list_utils.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["WEBRTC_USE_X11"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "d3d11",
 -        "dwmapi",
 -        "dxgi",
 -        "iphlpapi",
 -        "secur32",
 -        "shcore",
 -        "winmm"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.cc"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/cropping_window_capturer_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_frame_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/cursor.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/d3d_device.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/desktop.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/desktop_capture_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/display_configuration_monitor.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_duplicator_controller.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_frame.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_output_duplicator.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_staging.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/full_screen_win_application_handler.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/scoped_thread_desktop.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/screen_capture_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_directx.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_magnifier.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/selected_window_context.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/wgc_capture_session.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/wgc_capture_source.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/wgc_capturer_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/wgc_desktop_frame.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/window_capture_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_win.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/window_finder_win.cc"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -264,7 +99,8 @@ if CONFIG["TARGET_CPU"] == "arm":
      ]
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 @@ -274,7 +110,9 @@ if CONFIG["TARGET_CPU"] == "arm":
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
  if CONFIG["TARGET_CPU"] == "mips32":
 @@ -282,7 +120,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -295,7 +132,8 @@ if CONFIG["TARGET_CPU"] == "mips32":
      ]
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 @@ -305,13 +143,14 @@ if CONFIG["TARGET_CPU"] == "mips32":
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
  if CONFIG["TARGET_CPU"] == "mips64":
  
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -324,7 +163,8 @@ if CONFIG["TARGET_CPU"] == "mips64":
      ]
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 @@ -334,126 +174,19 @@ if CONFIG["TARGET_CPU"] == "mips64":
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "ppc64":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/gfx/angle/checkout/include/",
 -        "/third_party/drm/drm/",
 -        "/third_party/drm/drm/include/",
 -        "/third_party/drm/drm/include/libdrm/",
 -        "/third_party/gbm/gbm/",
 -        "/third_party/libepoxy/libepoxy/include/",
 -        "/third_party/pipewire/"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/mouse_cursor_monitor_pipewire.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/restore_token_manager.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -466,7 +199,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
      ]
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 @@ -476,13 +210,15 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -495,7 +231,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
      ]
  
      SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/base_capturer_pipewire.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 @@ -505,38 +242,12 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screen_capture_portal_interface.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc",
          "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_stream_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc"
 -    ]
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
      DEFINES["WEBRTC_USE_X11"] = True
 @@ -564,116 +275,42 @@ if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGE
          "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
      ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 +if not CONFIG["MOZ_X11"] and CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "ppc64":
  
      UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_null.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_null.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_null.cc"
      ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "ppc64":
  
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 +    SOURCES += [
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 +if not CONFIG["MOZ_X11"] and CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "riscv64":
  
      UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_null.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_null.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_null.cc"
      ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "riscv64":
  
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_USE_X11"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 +    SOURCES += [
 +        "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_linux.cc"
      ]
  
      UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/screen_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/shared_x_display.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_capturer_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_finder_x11.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/window_list_utils.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_atom_cache.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_error_trap.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_server_pixel_buffer.cc",
 -        "/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc"
 +        "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_linux.cc",
 +        "/third_party/libwebrtc/modules/desktop_capture/window_capturer_linux.cc"
      ]
  
  Library("desktop_capture_gn")
 diff --git third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build
 deleted file mode 100644
 index 3b34c0cc8b0b..000000000000
 --- third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build
 +++ /dev/null
 @@ -1,77 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/sdk/objc/",
 -    "/third_party/libwebrtc/sdk/objc/base/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_configuration.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_cgimage.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_iosurface.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_mac.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_darwin.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/window_capturer_mac.mm",
 -    "/third_party/libwebrtc/modules/desktop_capture/window_finder_mac.mm"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("desktop_capture_objc_gn")
 diff --git third_party/libwebrtc/modules/desktop_capture/primitives_gn/moz.build third_party/libwebrtc/modules/desktop_capture/primitives_gn/moz.build
 index 3a663949bb31..515a6b7fe6df 100644
 --- third_party/libwebrtc/modules/desktop_capture/primitives_gn/moz.build
 +++ third_party/libwebrtc/modules/desktop_capture/primitives_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -49,168 +59,31 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "ppc64":
 -
 -    DEFINES["USE_X11"] = "1"
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["USE_X11"] = "1"
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["USE_X11"] = "1"
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/modules/module_api_gn/moz.build third_party/libwebrtc/modules/module_api_gn/moz.build
 index 7613736af280..021306b00c2a 100644
 --- third_party/libwebrtc/modules/module_api_gn/moz.build
 +++ third_party/libwebrtc/modules/module_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("module_api_gn")
 diff --git third_party/libwebrtc/modules/module_api_public_gn/moz.build third_party/libwebrtc/modules/module_api_public_gn/moz.build
 index c40e3cf5e935..03a6663f2ee5 100644
 --- third_party/libwebrtc/modules/module_api_public_gn/moz.build
 +++ third_party/libwebrtc/modules/module_api_public_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("module_api_public_gn")
 diff --git third_party/libwebrtc/modules/module_fec_api_gn/moz.build third_party/libwebrtc/modules/module_fec_api_gn/moz.build
 index 86a280e5ccc9..8f331e2b7df5 100644
 --- third_party/libwebrtc/modules/module_fec_api_gn/moz.build
 +++ third_party/libwebrtc/modules/module_fec_api_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("module_fec_api_gn")
 diff --git third_party/libwebrtc/modules/pacing/interval_budget_gn/moz.build third_party/libwebrtc/modules/pacing/interval_budget_gn/moz.build
 index 8bb44ecf6256..e46741806ee3 100644
 --- third_party/libwebrtc/modules/pacing/interval_budget_gn/moz.build
 +++ third_party/libwebrtc/modules/pacing/interval_budget_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("interval_budget_gn")
 diff --git third_party/libwebrtc/modules/pacing/pacing_gn/moz.build third_party/libwebrtc/modules/pacing/pacing_gn/moz.build
 index 353f876c55bc..453c5e0ead44 100644
 --- third_party/libwebrtc/modules/pacing/pacing_gn/moz.build
 +++ third_party/libwebrtc/modules/pacing/pacing_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,190 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pacing_gn")
 diff --git third_party/libwebrtc/modules/portal/portal_gn/moz.build third_party/libwebrtc/modules/portal/portal_gn/moz.build
 index 2760d7e5e125..309f14a69dc0 100644
 --- third_party/libwebrtc/modules/portal/portal_gn/moz.build
 +++ third_party/libwebrtc/modules/portal/portal_gn/moz.build
 @@ -14,22 +14,18 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["USE_AURA"] = "1"
  DEFINES["USE_GLIB"] = "1"
 -DEFINES["USE_NSS_CERTS"] = "1"
  DEFINES["USE_OZONE"] = "1"
 -DEFINES["USE_UDEV"] = True
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["WEBRTC_USE_PIPEWIRE"] = True
  DEFINES["_FILE_OFFSET_BITS"] = "64"
 -DEFINES["_GNU_SOURCE"] = True
  DEFINES["_LARGEFILE64_SOURCE"] = True
  DEFINES["_LARGEFILE_SOURCE"] = True
  DEFINES["__STDC_CONSTANT_MACROS"] = True
 @@ -76,16 +72,6 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
 @@ -103,7 +89,7 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
 index 45104d15ca46..54de56dcae4e 100644
 --- third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -55,189 +65,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("remote_bitrate_estimator_gn")
 diff --git third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
 index e42ea18507b3..8a8bd3e82b3a 100644
 --- third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
 +++ third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("leb128_gn")
 diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
 index 33d8799fb2bd..6a99f50c5c90 100644
 --- third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
 +++ third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -85,189 +95,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_rtcp_format_gn")
 diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
 index 8c4973643632..b9118e1215cd 100644
 --- third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
 +++ third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
 @@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -98,190 +108,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_rtcp_gn")
 diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
 index d2a102cfe3a1..172b2829c241 100644
 --- third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
 +++ third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtp_video_header_gn")
 diff --git third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
 index c260743e2819..393d9c9b7322 100644
 --- third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
 +++ third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("fft_gn")
 diff --git third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
 index c2d2597a21a5..76439cf53388 100644
 --- third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
 +++ third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g711_3p_gn")
 diff --git third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
 index 468cc88c65a5..169ba1ccf906 100644
 --- third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
 +++ third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,174 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("g722_3p_gn")
 diff --git third_party/libwebrtc/modules/utility/utility_gn/moz.build third_party/libwebrtc/modules/utility/utility_gn/moz.build
 index 6c17ac236e23..dda03191e506 100644
 --- third_party/libwebrtc/modules/utility/utility_gn/moz.build
 +++ third_party/libwebrtc/modules/utility/utility_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,115 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/utility/source/helpers_android.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -157,60 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("utility_gn")
 diff --git third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
 index f58aa8e782f0..a2ba3c8ac944 100644
 --- third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
 +++ third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
 @@ -14,11 +14,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -33,6 +43,10 @@ LOCAL_INCLUDES += [
  ]
  
  UNIFIED_SOURCES += [
 +    "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
 +    "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
 +    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
 +    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc",
      "/third_party/libwebrtc/modules/video_capture/video_capture_options.cc"
  ]
  
 @@ -45,153 +59,13 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "ole32",
 -        "oleaut32",
 -        "secur32",
 -        "strmiids",
 -        "user32",
 -        "winmm"
 -    ]
 -
 -    SOURCES += [
 -        "/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.cc",
 -        "/third_party/libwebrtc/modules/video_capture/windows/help_functions_ds.cc",
 -        "/third_party/libwebrtc/modules/video_capture/windows/sink_filter_ds.cc"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_ds.cc",
 -        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_factory_windows.cc"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["MIPS32_LE"] = True
 -    DEFINES["MIPS_FPU_LE"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -210,76 +84,11 @@ if CONFIG["TARGET_CPU"] == "mips32":
          "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
      ]
  
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/gfx/angle/checkout/include/",
 -        "/third_party/drm/drm/",
 -        "/third_party/drm/drm/include/",
 -        "/third_party/drm/drm/include/libdrm/",
 -        "/third_party/gbm/gbm/",
 -        "/third_party/libepoxy/libepoxy/include/",
 -        "/third_party/pipewire/"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/modules/video_capture/linux/camera_portal.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/device_info_pipewire.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/pipewire_session.cc",
 -        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["TARGET_CPU"] == "mips32":
  
 +    DEFINES["MIPS32_LE"] = True
 +    DEFINES["MIPS_FPU_LE"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -298,10 +107,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
          "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 +if CONFIG["TARGET_CPU"] == "mips64":
  
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -320,14 +128,14 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
          "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -346,10 +154,10 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
          "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/gfx/angle/checkout/include/",
 @@ -368,4 +176,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
          "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
      ]
  
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 +
 +    DEFINES["USE_X11"] = "1"
 +
  Library("video_capture_internal_impl_gn")
 diff --git third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
 index 820d5655dfe4..30fbc8a16f91 100644
 --- third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
 +++ third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,190 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_capture_module_gn")
 diff --git third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
 index 144097f87a25..3c56145fb1aa 100644
 --- third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("chain_diff_calculator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
 index cf74ae964c79..4c79e5b318d9 100644
 --- third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("codec_globals_headers_gn")
 diff --git third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
 index bfe37b935d06..100155a39f1f 100644
 --- third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("av1_svc_config_gn")
 diff --git third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
 index 31e83f9c3105..5a661787308d 100644
 --- third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("encoded_frame_gn")
 diff --git third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
 index 1ad9c574ad8a..97d7596cd7ee 100644
 --- third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_dependencies_calculator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
 index ccac90f50d1f..99867a1c8f90 100644
 --- third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_helpers_gn")
 diff --git third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
 index d50ed75a0006..309d2686d921 100644
 --- third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("nack_requester_gn")
 diff --git third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
 index 2c161989c1d3..c1be9596e0a5 100644
 --- third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("packet_buffer_gn")
 diff --git third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
 index 80eb00a9910e..c4b6ec469538 100644
 --- third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("scalability_mode_util_gn")
 diff --git third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
 index 931dfe8d894c..bb66a11cb47c 100644
 --- third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -50,185 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("scalability_structures_gn")
 diff --git third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
 index 18aa68e6963c..9fad4e4a38d8 100644
 --- third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("scalable_video_controller_gn")
 diff --git third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
 index bbb5a75959f0..415872506d13 100644
 --- third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("svc_rate_allocator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
 index 2347b0937ce7..81060f6b3f2c 100644
 --- third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("decode_time_percentile_filter_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
 index 274023c6e760..463feb1bc7a7 100644
 --- third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_delay_variation_kalman_filter_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
 index d4ec330ed14a..284a46af8e7d 100644
 --- third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("inter_frame_delay_variation_calculator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
 index e540f00f8c72..c38cf361ccf6 100644
 --- third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("jitter_estimator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
 index 18a30a6ede64..13ea6d3315e7 100644
 --- third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtt_filter_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
 index 4c2a6eed6200..59227c6d26ab 100644
 --- third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("timestamp_extrapolator_gn")
 diff --git third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
 index 76c4cfe66496..40909203b3cf 100644
 --- third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("timing_module_gn")
 diff --git third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
-index 141def90908b..fae7dffcca41 100644
+index c0d139fc6d0a..b367c42eb7a8 100644
 --- third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
-@@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
+@@ -45,185 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_codec_interface_gn")
 diff --git third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
 index 923ac7785a18..48e566809b99 100644
 --- third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -57,190 +67,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_coding_gn")
 diff --git third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
 index bc1510e0baa4..c914dfcbd7b5 100644
 --- third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -54,190 +64,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_coding_utility_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
 index 8cb4b64625a9..e49d55137a91 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
 @@ -15,11 +15,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,178 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_libvpx_interface_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
 index 21d5eeee9fe0..7fbbf3bb99f1 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
 @@ -15,11 +15,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -49,190 +59,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_vp8_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
 index 92fd7cf63049..b382aa7a36f5 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_vp8_scalability_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
 index caf91a5d2cba..9886a43a6d6c 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,190 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_vp8_temporal_layers_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
 index 707d56355909..0eba1201fe1f 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
 @@ -15,11 +15,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -51,190 +61,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_vp9_gn")
 diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
 index 883e5c70b24b..caec155ca861 100644
 --- third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
 +++ third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("webrtc_vp9_helpers_gn")
 diff --git third_party/libwebrtc/moz.build third_party/libwebrtc/moz.build
-index 59472bdc9b56..45b99de39516 100644
+index 68c4cd93c417..9d93a43355ec 100644
 --- third_party/libwebrtc/moz.build
 +++ third_party/libwebrtc/moz.build
-@@ -266,6 +266,8 @@ DIRS += [
+@@ -267,6 +267,8 @@ DIRS += [
      "/third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn",
      "/third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn",
      "/third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn",
 +    "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 +    "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
      "/third_party/libwebrtc/modules/module_api_gn",
      "/third_party/libwebrtc/modules/module_api_public_gn",
      "/third_party/libwebrtc/modules/module_fec_api_gn",
-@@ -465,102 +467,11 @@ DIRS += [
+@@ -466,102 +468,11 @@ DIRS += [
      "/third_party/libwebrtc/webrtc_gn"
  ]
  
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/rtc_base/ifaddrs_android_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
 -        "/third_party/libwebrtc/rtc_base/system/cocoa_threading_gn",
 -        "/third_party/libwebrtc/rtc_base/system/gcd_helpers_gn",
 -        "/third_party/libwebrtc/sdk/base_objc_gn",
 -        "/third_party/libwebrtc/sdk/helpers_objc_gn",
 -        "/third_party/libwebrtc/sdk/videocapture_objc_gn",
 -        "/third_party/libwebrtc/sdk/videoframebuffer_objc_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
 -        "/third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn",
 -        "/third_party/libwebrtc/rtc_base/win/get_activation_factory_gn",
 -        "/third_party/libwebrtc/rtc_base/win/hstring_gn",
 -        "/third_party/libwebrtc/rtc_base/win/windows_version_gn",
 -        "/third_party/libwebrtc/rtc_base/win32_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
 -        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "aarch64":
  
      DIRS += [
          "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
          "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
          "/third_party/libwebrtc/modules/portal/portal_gn",
          "/third_party/libwebrtc/third_party/drm/drm_gn",
          "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-@@ -568,26 +479,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+@@ -569,26 +480,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
          "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 +if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips32":
  
      DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
 -        "/third_party/libwebrtc/modules/portal/portal_gn",
 -        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn",
 -        "/third_party/libwebrtc/third_party/drm/drm_gn",
 -        "/third_party/libwebrtc/third_party/gbm/gbm_gn",
 -        "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
 -        "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
          "/third_party/libwebrtc/modules/portal/portal_gn",
          "/third_party/libwebrtc/third_party/drm/drm_gn",
          "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-@@ -595,11 +489,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
+@@ -596,11 +490,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
          "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
 +if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips64":
  
      DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
          "/third_party/libwebrtc/modules/portal/portal_gn",
          "/third_party/libwebrtc/third_party/drm/drm_gn",
          "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-@@ -607,7 +499,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
+@@ -608,7 +500,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
          "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86":
  
      DIRS += [
          "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-@@ -615,8 +507,6 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+@@ -616,8 +508,6 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
          "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
          "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
          "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
          "/third_party/libwebrtc/modules/portal/portal_gn",
          "/third_party/libwebrtc/third_party/drm/drm_gn",
          "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-@@ -624,7 +514,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+@@ -625,7 +515,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
          "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86_64":
  
      DIRS += [
          "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-@@ -632,69 +522,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+@@ -633,69 +523,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
          "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
          "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
          "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
          "/third_party/libwebrtc/modules/portal/portal_gn",
          "/third_party/libwebrtc/third_party/drm/drm_gn",
          "/third_party/libwebrtc/third_party/gbm/gbm_gn",
          "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
          "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
      ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
 -        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
 -        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
 -    ]
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "ppc64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
 -    ]
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
 -
 -    DIRS += [
 -        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
 -        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
 -    ]
 diff --git third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
 index c278a28f8f41..334fc3e241bd 100644
 --- third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("async_dns_resolver_gn")
 diff --git third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
 index 40c8366f9771..e6471de4496d 100644
 --- third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("async_packet_socket_gn")
 diff --git third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
 index c756a0eb110c..6a1b5eae3ba5 100644
 --- third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("audio_format_to_string_gn")
 diff --git third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
 index ca5959866c1c..94d68859a601 100644
 --- third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bit_buffer_gn")
 diff --git third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
 index 8c00ef1ac51a..0456682b1478 100644
 --- third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bitrate_tracker_gn")
 diff --git third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
 index 2047e015e4d7..63a6ddbeeec1 100644
 --- third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bitstream_reader_gn")
 diff --git third_party/libwebrtc/rtc_base/buffer_gn/moz.build third_party/libwebrtc/rtc_base/buffer_gn/moz.build
 index acbe827a94aa..2a2b6adff2b4 100644
 --- third_party/libwebrtc/rtc_base/buffer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("buffer_gn")
 diff --git third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
 index 4d9cc19bfba6..3105ccac7dc2 100644
 --- third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("byte_buffer_gn")
 diff --git third_party/libwebrtc/rtc_base/byte_order_gn/moz.build third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
 index 621abaa96d62..485929410a19 100644
 --- third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("byte_order_gn")
 diff --git third_party/libwebrtc/rtc_base/checks_gn/moz.build third_party/libwebrtc/rtc_base/checks_gn/moz.build
 index ee982603d3c5..7b90d3cec001 100644
 --- third_party/libwebrtc/rtc_base/checks_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/checks_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("checks_gn")
 diff --git third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
 index 62b89c7deb5f..537becb3aa19 100644
 --- third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("compile_assert_c_gn")
 diff --git third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
 index ff33c5381a42..f8a255e5bd46 100644
 --- third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("flat_containers_internal_gn")
 diff --git third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
 index 9b6add6b867b..3a040d68f592 100644
 --- third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("flat_map_gn")
 diff --git third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
 index 4b398de383c4..6f4cccc313e8 100644
 --- third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("flat_set_gn")
 diff --git third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
 index cb8e9c4a5fc1..89d6eded82d3 100644
 --- third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("copy_on_write_buffer_gn")
 diff --git third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
 index a681a1274629..339e21e75364 100644
 --- third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("criticalsection_gn")
 diff --git third_party/libwebrtc/rtc_base/divide_round_gn/moz.build third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
 index f30da236c460..48add74427c6 100644
 --- third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("divide_round_gn")
 diff --git third_party/libwebrtc/rtc_base/dscp_gn/moz.build third_party/libwebrtc/rtc_base/dscp_gn/moz.build
 index 5f1d97d2e8b4..fdba8802853b 100644
 --- third_party/libwebrtc/rtc_base/dscp_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/dscp_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("dscp_gn")
 diff --git third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
 index 9ff988a2515c..f402ae850f31 100644
 --- third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("event_tracer_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
 index 1857d67850d0..9cc536965c58 100644
 --- third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("alr_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
 index 3a258e46965a..15521be543f6 100644
 --- third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("balanced_degradation_settings_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_gn/moz.build
 index b8a6ccdd291d..eedfd17761b3 100644
 --- third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bandwidth_quality_scaler_settings_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/cpu_speed_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/cpu_speed_experiment_gn/moz.build
 index b436f5962dea..17833ef180df 100644
 --- third_party/libwebrtc/rtc_base/experiments/cpu_speed_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/cpu_speed_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("cpu_speed_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
 index ad4be851e07d..5b8291b5a0f8 100644
 --- third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("encoder_info_settings_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
 index 31a945e00fd8..6f561f98057c 100644
 --- third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("field_trial_parser_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
 index 3b5cbf462f8e..e4dbcc26dabc 100644
 --- third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("keyframe_interval_settings_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
 index e2c4f2537ee2..0354b3c70d5e 100644
 --- third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("min_video_bitrate_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
 index 2cdcea589746..a6c29e1fb3af 100644
 --- third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("normalize_simulcast_size_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/quality_rampup_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/quality_rampup_experiment_gn/moz.build
 index 234db8e90613..222b58931e96 100644
 --- third_party/libwebrtc/rtc_base/experiments/quality_rampup_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/quality_rampup_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("quality_rampup_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
 index 8ea1b5075424..916a31d69ac4 100644
 --- third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("quality_scaler_settings_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
 index 36a79a734721..f2d347a7f2ec 100644
 --- third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("quality_scaling_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
 index 416e7a35c745..23c2a12352e5 100644
 --- third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rate_control_settings_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/rtt_mult_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/rtt_mult_experiment_gn/moz.build
 index 32fd27e4ef83..7fad9c144446 100644
 --- third_party/libwebrtc/rtc_base/experiments/rtt_mult_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/rtt_mult_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtt_mult_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
 index bdf9e49985ea..837697bbafe8 100644
 --- third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("stable_target_rate_experiment_gn")
 diff --git third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
 index e7a94c577606..249d52d48465 100644
 --- third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frequency_tracker_gn")
 diff --git third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
 index 54596d501f69..213bbd0450d5 100644
 --- third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("gtest_prod_gn")
 diff --git third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
 index 48d98b418be0..30634ecae00b 100644
 --- third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("histogram_percentile_counter_gn")
 diff --git third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
 deleted file mode 100644
 index 6697a8f93cf0..000000000000
 --- third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
 +++ /dev/null
 @@ -1,95 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["ANDROID"] = True
 -DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -DEFINES["HAVE_SYS_UIO_H"] = True
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ANDROID"] = True
 -DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_GNU_SOURCE"] = True
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -OS_LIBS += [
 -    "GLESv2",
 -    "log"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/ifaddrs_android.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("ifaddrs_android_gn")
 diff --git third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
 index 502a867a4b87..59bbc5420da2 100644
 --- third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("ignore_wundef_gn")
 diff --git third_party/libwebrtc/rtc_base/ip_address_gn/moz.build third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
 index 108fd06e5450..7377b5d7b0fe 100644
 --- third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("ip_address_gn")
 diff --git third_party/libwebrtc/rtc_base/logging_gn/moz.build third_party/libwebrtc/rtc_base/logging_gn/moz.build
 index 85c9773f240e..59bf7125a288 100644
 --- third_party/libwebrtc/rtc_base/logging_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/logging_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
  DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("logging_gn")
 diff --git third_party/libwebrtc/rtc_base/macromagic_gn/moz.build third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
 index 949d31b8704d..308e7658267e 100644
 --- third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("macromagic_gn")
 diff --git third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
 index 8709bdd95ba6..32bf460aab31 100644
 --- third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("aligned_malloc_gn")
 diff --git third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
 index 43f0844548e4..1a8d9fd19077 100644
 --- third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("mod_ops_gn")
 diff --git third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
 index 15ef767b07fc..4dcd35c76a6c 100644
 --- third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("moving_max_counter_gn")
 diff --git third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
 index ceb2150c06ce..f9f2ab464a09 100644
 --- third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("net_helpers_gn")
 diff --git third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
 index fb580667ce33..e33a367c88f7 100644
 --- third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("sent_packet_gn")
 diff --git third_party/libwebrtc/rtc_base/network_constants_gn/moz.build third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
 index 40a117b476ba..2728e4fc1e0e 100644
 --- third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("network_constants_gn")
 diff --git third_party/libwebrtc/rtc_base/network_route_gn/moz.build third_party/libwebrtc/rtc_base/network_route_gn/moz.build
 index b14b2b563382..907f5af871eb 100644
 --- third_party/libwebrtc/rtc_base/network_route_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/network_route_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("network_route_gn")
 diff --git third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
 index e6b3d3c59a32..22553cd1b0bf 100644
 --- third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("null_socket_server_gn")
 diff --git third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
 index 10ad1f454ad8..0e0257215437 100644
 --- third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("one_time_event_gn")
 diff --git third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
 index 8045b2de62ce..83c2d573d1d9 100644
 --- third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("platform_thread_gn")
 diff --git third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
 index 3738ea61fc1d..9059a39f8aac 100644
 --- third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("platform_thread_types_gn")
 diff --git third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
 index 4ec9f790604a..4abe79939615 100644
 --- third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("protobuf_utils_gn")
 diff --git third_party/libwebrtc/rtc_base/race_checker_gn/moz.build third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
 index ed66936a90a5..bdd70e6e3d8b 100644
 --- third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("race_checker_gn")
 diff --git third_party/libwebrtc/rtc_base/random_gn/moz.build third_party/libwebrtc/rtc_base/random_gn/moz.build
 index 93b07582aa6a..c0bea1606f76 100644
 --- third_party/libwebrtc/rtc_base/random_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/random_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("random_gn")
 diff --git third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
 index 60acfb017625..3b3fba53974d 100644
 --- third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rate_limiter_gn")
 diff --git third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
 index 84b47cf914e3..62e2c13f1f01 100644
 --- third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rate_statistics_gn")
 diff --git third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
 index 880d7d6236aa..6396cbeff915 100644
 --- third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rate_tracker_gn")
 diff --git third_party/libwebrtc/rtc_base/refcount_gn/moz.build third_party/libwebrtc/rtc_base/refcount_gn/moz.build
 index 383d69e4583e..53c96cdbae3a 100644
 --- third_party/libwebrtc/rtc_base/refcount_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/refcount_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("refcount_gn")
 diff --git third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
 index 97fafd6dfbf6..ecb221864f89 100644
 --- third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rolling_accumulator_gn")
 diff --git third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
 index d120effc6944..48c882b1fbad 100644
 --- third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_event_gn")
 diff --git third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
 index ac5a402772b4..5c7773f371b8 100644
 --- third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,178 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_numerics_gn")
 diff --git third_party/libwebrtc/rtc_base/rtc_task_queue_gn/moz.build third_party/libwebrtc/rtc_base/rtc_task_queue_gn/moz.build
 index a8de45e8df8c..a0e7ee73dc4b 100644
 --- third_party/libwebrtc/rtc_base/rtc_task_queue_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/rtc_task_queue_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rtc_task_queue_gn")
 diff --git third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
 index 77dbd737c811..1e96f7ad161b 100644
 --- third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("safe_compare_gn")
 diff --git third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
 index f0d60f392270..481f97d18267 100644
 --- third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("safe_conversions_gn")
 diff --git third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
 index a975f0911fe9..444ff334be9f 100644
 --- third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("safe_minmax_gn")
 diff --git third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
 index 6cfed54db654..22bf6f11a0ed 100644
 --- third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("sample_counter_gn")
 diff --git third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
 index 8bf1b02b4fa2..512ec69172c1 100644
 --- third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("sanitizer_gn")
 diff --git third_party/libwebrtc/rtc_base/socket_address_gn/moz.build third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
 index 7d4c5ea206d3..15d61fd11419 100644
 --- third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("socket_address_gn")
 diff --git third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
 index c0df17e8819f..fc1bcda9d6bb 100644
 --- third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,119 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -161,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("socket_factory_gn")
 diff --git third_party/libwebrtc/rtc_base/socket_gn/moz.build third_party/libwebrtc/rtc_base/socket_gn/moz.build
 index 00013760662b..a3866ef3ba39 100644
 --- third_party/libwebrtc/rtc_base/socket_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/socket_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("socket_gn")
 diff --git third_party/libwebrtc/rtc_base/socket_server_gn/moz.build third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
 index e671f719bc98..9177418df790 100644
 --- third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,119 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -161,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("socket_server_gn")
 diff --git third_party/libwebrtc/rtc_base/ssl_gn/moz.build third_party/libwebrtc/rtc_base/ssl_gn/moz.build
 index 66200fa70cc9..72d951163eca 100644
 --- third_party/libwebrtc/rtc_base/ssl_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/ssl_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("ssl_gn")
 diff --git third_party/libwebrtc/rtc_base/stringutils_gn/moz.build third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
 index 3b7954e86e15..9576a81b9996 100644
 --- third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,178 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("stringutils_gn")
 diff --git third_party/libwebrtc/rtc_base/swap_queue_gn/moz.build third_party/libwebrtc/rtc_base/swap_queue_gn/moz.build
 index b03cf379550c..36cf22a65ed7 100644
 --- third_party/libwebrtc/rtc_base/swap_queue_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/swap_queue_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("swap_queue_gn")
 diff --git third_party/libwebrtc/rtc_base/synchronization/mutex_gn/moz.build third_party/libwebrtc/rtc_base/synchronization/mutex_gn/moz.build
 index 197f9213a84a..c0b7597564dc 100644
 --- third_party/libwebrtc/rtc_base/synchronization/mutex_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/synchronization/mutex_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("mutex_gn")
 diff --git third_party/libwebrtc/rtc_base/synchronization/sequence_checker_internal_gn/moz.build third_party/libwebrtc/rtc_base/synchronization/sequence_checker_internal_gn/moz.build
 index 28788b4b653e..4d146c5058d6 100644
 --- third_party/libwebrtc/rtc_base/synchronization/sequence_checker_internal_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/synchronization/sequence_checker_internal_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("sequence_checker_internal_gn")
 diff --git third_party/libwebrtc/rtc_base/synchronization/yield_gn/moz.build third_party/libwebrtc/rtc_base/synchronization/yield_gn/moz.build
 index 6e5fe912f1d7..9649e4f55e8e 100644
 --- third_party/libwebrtc/rtc_base/synchronization/yield_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/synchronization/yield_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("yield_gn")
 diff --git third_party/libwebrtc/rtc_base/synchronization/yield_policy_gn/moz.build third_party/libwebrtc/rtc_base/synchronization/yield_policy_gn/moz.build
 index df7b6a62b9af..a11e7ba0278c 100644
 --- third_party/libwebrtc/rtc_base/synchronization/yield_policy_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/synchronization/yield_policy_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("yield_policy_gn")
 diff --git third_party/libwebrtc/rtc_base/system/arch_gn/moz.build third_party/libwebrtc/rtc_base/system/arch_gn/moz.build
 index c72b2b9951d5..88c849682045 100644
 --- third_party/libwebrtc/rtc_base/system/arch_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/arch_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("arch_gn")
 diff --git third_party/libwebrtc/rtc_base/system/asm_defines_gn/moz.build third_party/libwebrtc/rtc_base/system/asm_defines_gn/moz.build
 deleted file mode 100644
 index 4a2dbbea32c2..000000000000
 --- third_party/libwebrtc/rtc_base/system/asm_defines_gn/moz.build
 +++ /dev/null
 @@ -1,80 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ARCH_ARM"] = True
 -DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_HAS_NEON"] = True
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_GNU_SOURCE"] = True
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -Library("asm_defines_gn")
 diff --git third_party/libwebrtc/rtc_base/system/cocoa_threading_gn/moz.build third_party/libwebrtc/rtc_base/system/cocoa_threading_gn/moz.build
 deleted file mode 100644
 index 429299b4807a..000000000000
 --- third_party/libwebrtc/rtc_base/system/cocoa_threading_gn/moz.build
 +++ /dev/null
 @@ -1,67 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/system/cocoa_threading.mm"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("cocoa_threading_gn")
 diff --git third_party/libwebrtc/rtc_base/system/file_wrapper_gn/moz.build third_party/libwebrtc/rtc_base/system/file_wrapper_gn/moz.build
 index 4fdec8d73269..f1f0224d6a0f 100644
 --- third_party/libwebrtc/rtc_base/system/file_wrapper_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/file_wrapper_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("file_wrapper_gn")
 diff --git third_party/libwebrtc/rtc_base/system/gcd_helpers_gn/moz.build third_party/libwebrtc/rtc_base/system/gcd_helpers_gn/moz.build
 deleted file mode 100644
 index 243694e1d552..000000000000
 --- third_party/libwebrtc/rtc_base/system/gcd_helpers_gn/moz.build
 +++ /dev/null
 @@ -1,67 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/system/gcd_helpers.m"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("gcd_helpers_gn")
 diff --git third_party/libwebrtc/rtc_base/system/ignore_warnings_gn/moz.build third_party/libwebrtc/rtc_base/system/ignore_warnings_gn/moz.build
 index 3406348246e9..6d4f5ece7c64 100644
 --- third_party/libwebrtc/rtc_base/system/ignore_warnings_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/ignore_warnings_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("ignore_warnings_gn")
 diff --git third_party/libwebrtc/rtc_base/system/inline_gn/moz.build third_party/libwebrtc/rtc_base/system/inline_gn/moz.build
 index 4236cd7c5d0a..67980e94049a 100644
 --- third_party/libwebrtc/rtc_base/system/inline_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/inline_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("inline_gn")
 diff --git third_party/libwebrtc/rtc_base/system/no_unique_address_gn/moz.build third_party/libwebrtc/rtc_base/system/no_unique_address_gn/moz.build
 index bcb6b0084898..8b0594e1642f 100644
 --- third_party/libwebrtc/rtc_base/system/no_unique_address_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/no_unique_address_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("no_unique_address_gn")
 diff --git third_party/libwebrtc/rtc_base/system/rtc_export_gn/moz.build third_party/libwebrtc/rtc_base/system/rtc_export_gn/moz.build
 index 4eb3c21325c7..807b97ad0643 100644
 --- third_party/libwebrtc/rtc_base/system/rtc_export_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/rtc_export_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtc_export_gn")
 diff --git third_party/libwebrtc/rtc_base/system/unused_gn/moz.build third_party/libwebrtc/rtc_base/system/unused_gn/moz.build
 index 25a3e4e088bc..8ba9c7a33e6b 100644
 --- third_party/libwebrtc/rtc_base/system/unused_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/unused_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("unused_gn")
 diff --git third_party/libwebrtc/rtc_base/system/warn_current_thread_is_deadlocked_gn/moz.build third_party/libwebrtc/rtc_base/system/warn_current_thread_is_deadlocked_gn/moz.build
 index cc34279237df..5fc4802fd2f4 100644
 --- third_party/libwebrtc/rtc_base/system/warn_current_thread_is_deadlocked_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/system/warn_current_thread_is_deadlocked_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("warn_current_thread_is_deadlocked_gn")
 diff --git third_party/libwebrtc/rtc_base/task_utils/repeating_task_gn/moz.build third_party/libwebrtc/rtc_base/task_utils/repeating_task_gn/moz.build
 index ffe3228fdc53..fc5427430c09 100644
 --- third_party/libwebrtc/rtc_base/task_utils/repeating_task_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/task_utils/repeating_task_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("repeating_task_gn")
 diff --git third_party/libwebrtc/rtc_base/third_party/base64/base64_gn/moz.build third_party/libwebrtc/rtc_base/third_party/base64/base64_gn/moz.build
 index 18384b6a382b..6a868ab4ba72 100644
 --- third_party/libwebrtc/rtc_base/third_party/base64/base64_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/third_party/base64/base64_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("base64_gn")
 diff --git third_party/libwebrtc/rtc_base/third_party/sigslot/sigslot_gn/moz.build third_party/libwebrtc/rtc_base/third_party/sigslot/sigslot_gn/moz.build
 index b5b20ed538d7..2005c1b47194 100644
 --- third_party/libwebrtc/rtc_base/third_party/sigslot/sigslot_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/third_party/sigslot/sigslot_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("sigslot_gn")
 diff --git third_party/libwebrtc/rtc_base/threading_gn/moz.build third_party/libwebrtc/rtc_base/threading_gn/moz.build
 index 1ed74bfaad66..468c64eb06b7 100644
 --- third_party/libwebrtc/rtc_base/threading_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/threading_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,186 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("threading_gn")
 diff --git third_party/libwebrtc/rtc_base/timeutils_gn/moz.build third_party/libwebrtc/rtc_base/timeutils_gn/moz.build
 index c74be7306353..29f5854612cb 100644
 --- third_party/libwebrtc/rtc_base/timeutils_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/timeutils_gn/moz.build
 @@ -12,12 +12,22 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_EXCLUDE_SYSTEM_TIME"] = True
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -45,185 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("timeutils_gn")
 diff --git third_party/libwebrtc/rtc_base/type_traits_gn/moz.build third_party/libwebrtc/rtc_base/type_traits_gn/moz.build
 index 9b5c10f949e9..4b0f96afeafd 100644
 --- third_party/libwebrtc/rtc_base/type_traits_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/type_traits_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("type_traits_gn")
 diff --git third_party/libwebrtc/rtc_base/unique_id_generator_gn/moz.build third_party/libwebrtc/rtc_base/unique_id_generator_gn/moz.build
 index 8b55572cb5df..e32671858969 100644
 --- third_party/libwebrtc/rtc_base/unique_id_generator_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/unique_id_generator_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("unique_id_generator_gn")
 diff --git third_party/libwebrtc/rtc_base/units/unit_base_gn/moz.build third_party/libwebrtc/rtc_base/units/unit_base_gn/moz.build
 index 259ef161a265..501410447cce 100644
 --- third_party/libwebrtc/rtc_base/units/unit_base_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/units/unit_base_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("unit_base_gn")
 diff --git third_party/libwebrtc/rtc_base/weak_ptr_gn/moz.build third_party/libwebrtc/rtc_base/weak_ptr_gn/moz.build
 index 42342eee8be2..6cb2d2ab092b 100644
 --- third_party/libwebrtc/rtc_base/weak_ptr_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/weak_ptr_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("weak_ptr_gn")
 diff --git third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn/moz.build third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn/moz.build
 deleted file mode 100644
 index a33d30608038..000000000000
 --- third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn/moz.build
 +++ /dev/null
 @@ -1,85 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -DEFINES["NOMINMAX"] = True
 -DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -DEFINES["PSAPI_VERSION"] = "2"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -DEFINES["UNICODE"] = True
 -DEFINES["USE_AURA"] = "1"
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["WEBRTC_WIN"] = True
 -DEFINES["WIN32"] = True
 -DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -DEFINES["WINVER"] = "0x0A00"
 -DEFINES["_ATL_NO_OPENGL"] = True
 -DEFINES["_CRT_RAND_S"] = True
 -DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -DEFINES["_HAS_EXCEPTIONS"] = "0"
 -DEFINES["_HAS_NODISCARD"] = True
 -DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_SECURE_ATL"] = True
 -DEFINES["_UNICODE"] = True
 -DEFINES["_WIN32_WINNT"] = "0x0A00"
 -DEFINES["_WINDOWS"] = True
 -DEFINES["__STD_C"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/win/create_direct3d_device.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("create_direct3d_device_gn")
 diff --git third_party/libwebrtc/rtc_base/win/get_activation_factory_gn/moz.build third_party/libwebrtc/rtc_base/win/get_activation_factory_gn/moz.build
 deleted file mode 100644
 index 387109c968dc..000000000000
 --- third_party/libwebrtc/rtc_base/win/get_activation_factory_gn/moz.build
 +++ /dev/null
 @@ -1,85 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -DEFINES["NOMINMAX"] = True
 -DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -DEFINES["PSAPI_VERSION"] = "2"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -DEFINES["UNICODE"] = True
 -DEFINES["USE_AURA"] = "1"
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["WEBRTC_WIN"] = True
 -DEFINES["WIN32"] = True
 -DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -DEFINES["WINVER"] = "0x0A00"
 -DEFINES["_ATL_NO_OPENGL"] = True
 -DEFINES["_CRT_RAND_S"] = True
 -DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -DEFINES["_HAS_EXCEPTIONS"] = "0"
 -DEFINES["_HAS_NODISCARD"] = True
 -DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_SECURE_ATL"] = True
 -DEFINES["_UNICODE"] = True
 -DEFINES["_WIN32_WINNT"] = "0x0A00"
 -DEFINES["_WINDOWS"] = True
 -DEFINES["__STD_C"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/win/get_activation_factory.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("get_activation_factory_gn")
 diff --git third_party/libwebrtc/rtc_base/win/hstring_gn/moz.build third_party/libwebrtc/rtc_base/win/hstring_gn/moz.build
 deleted file mode 100644
 index c69cce6983f8..000000000000
 --- third_party/libwebrtc/rtc_base/win/hstring_gn/moz.build
 +++ /dev/null
 @@ -1,85 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -DEFINES["NOMINMAX"] = True
 -DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -DEFINES["PSAPI_VERSION"] = "2"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -DEFINES["UNICODE"] = True
 -DEFINES["USE_AURA"] = "1"
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["WEBRTC_WIN"] = True
 -DEFINES["WIN32"] = True
 -DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -DEFINES["WINVER"] = "0x0A00"
 -DEFINES["_ATL_NO_OPENGL"] = True
 -DEFINES["_CRT_RAND_S"] = True
 -DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -DEFINES["_HAS_EXCEPTIONS"] = "0"
 -DEFINES["_HAS_NODISCARD"] = True
 -DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_SECURE_ATL"] = True
 -DEFINES["_UNICODE"] = True
 -DEFINES["_WIN32_WINNT"] = "0x0A00"
 -DEFINES["_WINDOWS"] = True
 -DEFINES["__STD_C"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/win/hstring.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("hstring_gn")
 diff --git third_party/libwebrtc/rtc_base/win/windows_version_gn/moz.build third_party/libwebrtc/rtc_base/win/windows_version_gn/moz.build
 deleted file mode 100644
 index 33b46947a497..000000000000
 --- third_party/libwebrtc/rtc_base/win/windows_version_gn/moz.build
 +++ /dev/null
 @@ -1,85 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -DEFINES["NOMINMAX"] = True
 -DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -DEFINES["PSAPI_VERSION"] = "2"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -DEFINES["UNICODE"] = True
 -DEFINES["USE_AURA"] = "1"
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["WEBRTC_WIN"] = True
 -DEFINES["WIN32"] = True
 -DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -DEFINES["WINVER"] = "0x0A00"
 -DEFINES["_ATL_NO_OPENGL"] = True
 -DEFINES["_CRT_RAND_S"] = True
 -DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -DEFINES["_HAS_EXCEPTIONS"] = "0"
 -DEFINES["_HAS_NODISCARD"] = True
 -DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_SECURE_ATL"] = True
 -DEFINES["_UNICODE"] = True
 -DEFINES["_WIN32_WINNT"] = "0x0A00"
 -DEFINES["_WINDOWS"] = True
 -DEFINES["__STD_C"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/win/windows_version.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("windows_version_gn")
 diff --git third_party/libwebrtc/rtc_base/win32_gn/moz.build third_party/libwebrtc/rtc_base/win32_gn/moz.build
 deleted file mode 100644
 index 607a23eb5e96..000000000000
 --- third_party/libwebrtc/rtc_base/win32_gn/moz.build
 +++ /dev/null
 @@ -1,92 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -DEFINES["NOMINMAX"] = True
 -DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -DEFINES["PSAPI_VERSION"] = "2"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -DEFINES["UNICODE"] = True
 -DEFINES["USE_AURA"] = "1"
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["WEBRTC_WIN"] = True
 -DEFINES["WIN32"] = True
 -DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -DEFINES["WINVER"] = "0x0A00"
 -DEFINES["_ATL_NO_OPENGL"] = True
 -DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -DEFINES["_CRT_RAND_S"] = True
 -DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -DEFINES["_HAS_EXCEPTIONS"] = "0"
 -DEFINES["_HAS_NODISCARD"] = True
 -DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -DEFINES["_SECURE_ATL"] = True
 -DEFINES["_UNICODE"] = True
 -DEFINES["_WIN32_WINNT"] = "0x0A00"
 -DEFINES["_WINDOWS"] = True
 -DEFINES["__STD_C"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -OS_LIBS += [
 -    "crypt32",
 -    "iphlpapi",
 -    "secur32"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/rtc_base/win32.cc"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("win32_gn")
 diff --git third_party/libwebrtc/rtc_base/zero_memory_gn/moz.build third_party/libwebrtc/rtc_base/zero_memory_gn/moz.build
 index 0b8ed4f70c80..0eae58b028b7 100644
 --- third_party/libwebrtc/rtc_base/zero_memory_gn/moz.build
 +++ third_party/libwebrtc/rtc_base/zero_memory_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("zero_memory_gn")
 diff --git third_party/libwebrtc/sdk/base_objc_gn/moz.build third_party/libwebrtc/sdk/base_objc_gn/moz.build
 deleted file mode 100644
 index 7b25d1f0596a..000000000000
 --- third_party/libwebrtc/sdk/base_objc_gn/moz.build
 +++ /dev/null
 @@ -1,79 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -CMMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/sdk/objc/",
 -    "/third_party/libwebrtc/sdk/objc/base/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/sdk/objc/base/RTCEncodedImage.m",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCLogging.mm",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCVideoCapturer.m",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCVideoCodecInfo.m",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderQpThresholds.m",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCVideoEncoderSettings.m",
 -    "/third_party/libwebrtc/sdk/objc/base/RTCVideoFrame.mm"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("base_objc_gn")
 diff --git third_party/libwebrtc/sdk/helpers_objc_gn/moz.build third_party/libwebrtc/sdk/helpers_objc_gn/moz.build
 deleted file mode 100644
 index a910dc1cb579..000000000000
 --- third_party/libwebrtc/sdk/helpers_objc_gn/moz.build
 +++ /dev/null
 @@ -1,75 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -CMMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/sdk/objc/",
 -    "/third_party/libwebrtc/sdk/objc/base/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/sdk/objc/helpers/AVCaptureSession+DevicePosition.mm",
 -    "/third_party/libwebrtc/sdk/objc/helpers/NSString+StdString.mm",
 -    "/third_party/libwebrtc/sdk/objc/helpers/RTCDispatcher.m"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("helpers_objc_gn")
 diff --git third_party/libwebrtc/sdk/videocapture_objc_gn/moz.build third_party/libwebrtc/sdk/videocapture_objc_gn/moz.build
 deleted file mode 100644
 index 7bfe020e4d49..000000000000
 --- third_party/libwebrtc/sdk/videocapture_objc_gn/moz.build
 +++ /dev/null
 @@ -1,70 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/sdk/objc/",
 -    "/third_party/libwebrtc/sdk/objc/base/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/sdk/objc/components/capturer/RTCCameraVideoCapturer.m",
 -    "/third_party/libwebrtc/sdk/objc/components/capturer/RTCFileVideoCapturer.m"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("videocapture_objc_gn")
 diff --git third_party/libwebrtc/sdk/videoframebuffer_objc_gn/moz.build third_party/libwebrtc/sdk/videoframebuffer_objc_gn/moz.build
 deleted file mode 100644
 index 9e7f52704a52..000000000000
 --- third_party/libwebrtc/sdk/videoframebuffer_objc_gn/moz.build
 +++ /dev/null
 @@ -1,73 +0,0 @@
 -# This Source Code Form is subject to the terms of the Mozilla Public
 -# License, v. 2.0. If a copy of the MPL was not distributed with this
 -# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -
 -
 -  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
 -  ### DO NOT edit it by hand.                                       ###
 -
 -CMMFLAGS += [
 -    "-fobjc-arc"
 -]
 -
 -COMPILE_FLAGS["OS_INCLUDES"] = []
 -AllowCompilerWarnings()
 -
 -DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 -DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 -DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 -DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_MAC"] = True
 -DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 -DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 -DEFINES["WEBRTC_POSIX"] = True
 -DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 -DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -DEFINES["__STDC_CONSTANT_MACROS"] = True
 -DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -FINAL_LIBRARY = "webrtc"
 -
 -
 -LOCAL_INCLUDES += [
 -    "!/ipc/ipdl/_ipdlheaders",
 -    "!/third_party/libwebrtc/gen",
 -    "/ipc/chromium/src",
 -    "/media/libyuv/",
 -    "/media/libyuv/libyuv/include/",
 -    "/third_party/libwebrtc/",
 -    "/third_party/libwebrtc/sdk/objc/",
 -    "/third_party/libwebrtc/sdk/objc/base/",
 -    "/third_party/libwebrtc/third_party/abseil-cpp/",
 -    "/tools/profiler/public"
 -]
 -
 -UNIFIED_SOURCES += [
 -    "/third_party/libwebrtc/sdk/objc/api/video_frame_buffer/RTCNativeI420Buffer.mm",
 -    "/third_party/libwebrtc/sdk/objc/api/video_frame_buffer/RTCNativeMutableI420Buffer.mm",
 -    "/third_party/libwebrtc/sdk/objc/components/video_frame_buffer/RTCCVPixelBuffer.mm"
 -]
 -
 -if not CONFIG["MOZ_DEBUG"]:
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
 -    DEFINES["NDEBUG"] = True
 -    DEFINES["NVALGRIND"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1":
 -
 -    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_ARCH_ARM64"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -Library("videoframebuffer_objc_gn")
 diff --git third_party/libwebrtc/system_wrappers/denormal_disabler_gn/moz.build third_party/libwebrtc/system_wrappers/denormal_disabler_gn/moz.build
 index e4ee1a2ead8c..e58095f60b94 100644
 --- third_party/libwebrtc/system_wrappers/denormal_disabler_gn/moz.build
 +++ third_party/libwebrtc/system_wrappers/denormal_disabler_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("denormal_disabler_gn")
 diff --git third_party/libwebrtc/system_wrappers/field_trial_gn/moz.build third_party/libwebrtc/system_wrappers/field_trial_gn/moz.build
 index 2535fad4cc02..5b24ada78a23 100644
 --- third_party/libwebrtc/system_wrappers/field_trial_gn/moz.build
 +++ third_party/libwebrtc/system_wrappers/field_trial_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("field_trial_gn")
 diff --git third_party/libwebrtc/system_wrappers/metrics_gn/moz.build third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
 index 484fc0d3caee..1da178fc929e 100644
 --- third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
 +++ third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("metrics_gn")
 diff --git third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
 index 3b2e26249ed4..df52edb77169 100644
 --- third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
 +++ third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -47,199 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/config/external/nspr/",
 -        "/nsprpub/lib/ds/",
 -        "/nsprpub/pr/include/"
 -    ]
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -    UNIFIED_SOURCES += [
 -        "/third_party/libwebrtc/system_wrappers/source/cpu_features_linux.cc"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("system_wrappers_gn")
 diff --git third_party/libwebrtc/test/rtp_test_utils_gn/moz.build third_party/libwebrtc/test/rtp_test_utils_gn/moz.build
 index 5f400c69f937..e86bdab557d1 100644
 --- third_party/libwebrtc/test/rtp_test_utils_gn/moz.build
 +++ third_party/libwebrtc/test/rtp_test_utils_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,123 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -165,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("rtp_test_utils_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/algorithm_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/algorithm_gn/moz.build
 index 95f5f7773064..a07cf094c60f 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/algorithm_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/algorithm_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("algorithm_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/container_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/container_gn/moz.build
 index 3289a5ec7748..ea98e82e69b0 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/container_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/algorithm/container_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("container_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/atomic_hook_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/atomic_hook_gn/moz.build
 index 3995b3210309..49c783cd4c81 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/atomic_hook_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/atomic_hook_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("atomic_hook_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/base_internal_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/base_internal_gn/moz.build
 index a7dd82d8f3c1..ac7916a85e5d 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/base_internal_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/base_internal_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("base_internal_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/config_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/config_gn/moz.build
 index 0018526d3581..a1d553dad6db 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/config_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/config_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("config_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/core_headers_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/core_headers_gn/moz.build
 index 781c7ab8f05b..3e445069597d 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/core_headers_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/core_headers_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("core_headers_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/log_severity_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/log_severity_gn/moz.build
 index 04d6ac388069..e80e5c86aaea 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/log_severity_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/log_severity_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("log_severity_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/nullability_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/nullability_gn/moz.build
 index d7a0c48a78b8..e31c08d5328e 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/nullability_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/nullability_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("nullability_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/raw_logging_internal_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/raw_logging_internal_gn/moz.build
 index b4d000282990..d3b730672fc6 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/raw_logging_internal_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/raw_logging_internal_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("raw_logging_internal_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/base/throw_delegate_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/base/throw_delegate_gn/moz.build
 index 26e7ca140221..04e6ae930cb3 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/base/throw_delegate_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/base/throw_delegate_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("throw_delegate_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_gn/moz.build
 index 2b964a65934e..367c6bd433a3 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("cleanup_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_internal_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_internal_gn/moz.build
 index cc42f6b1cf95..3f4fc9ed0f88 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_internal_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/cleanup/cleanup_internal_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("cleanup_internal_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/container/compressed_tuple_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/container/compressed_tuple_gn/moz.build
 index be74f2073fb9..38403c4daf5f 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/container/compressed_tuple_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/container/compressed_tuple_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("compressed_tuple_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_gn/moz.build
 index 6007158942e5..f3c3c2ec8183 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("inlined_vector_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_internal_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_internal_gn/moz.build
 index 67fafc74cc9f..b5c250da1c55 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_internal_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/container/inlined_vector_internal_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("inlined_vector_internal_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/functional/any_invocable_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/functional/any_invocable_gn/moz.build
 index a7dc8399fa1a..8cc78181cb75 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/functional/any_invocable_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/functional/any_invocable_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("any_invocable_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/functional/bind_front_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/functional/bind_front_gn/moz.build
 index 7d7ddda3ab0d..5c92f038c84f 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/functional/bind_front_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/functional/bind_front_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("bind_front_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/memory/memory_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/memory/memory_gn/moz.build
 index 011681082bcb..cf5df0d3048a 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/memory/memory_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/memory/memory_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("memory_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/meta/type_traits_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/meta/type_traits_gn/moz.build
 index be165cdd324a..d7c6a3f7be95 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/meta/type_traits_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/meta/type_traits_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("type_traits_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/bits_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/bits_gn/moz.build
 index f08ba233b08c..09fa161e8735 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/bits_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/bits_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("bits_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/int128_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/int128_gn/moz.build
 index 48c148b03927..947feb765e92 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/int128_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/numeric/int128_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("int128_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/strings/string_view_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/strings/string_view_gn/moz.build
 index 2dd442a89eeb..7a2c3c58f1a3 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/strings/string_view_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/strings/string_view_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("string_view_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/strings/strings_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/strings/strings_gn/moz.build
 index 84461a1a2896..26ad6583df10 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/strings/strings_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/strings/strings_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -41,133 +46,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("strings_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_optional_access_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_optional_access_gn/moz.build
 index 71a47188d400..c963ce692f25 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_optional_access_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_optional_access_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bad_optional_access_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_variant_access_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_variant_access_gn/moz.build
 index d46074339fc9..5d0ddb736b8b 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_variant_access_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/types/bad_variant_access_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -36,133 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("bad_variant_access_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/types/optional_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/types/optional_gn/moz.build
 index 7d3070b20045..f68149f85c45 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/types/optional_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/types/optional_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("optional_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/types/span_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/types/span_gn/moz.build
 index 37133145c258..293b2b62e2e5 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/types/span_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/types/span_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("span_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/types/variant_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/types/variant_gn/moz.build
 index fd47ce4b3650..59ea6584a0f4 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/types/variant_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/types/variant_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("variant_gn")
 diff --git third_party/libwebrtc/third_party/abseil-cpp/absl/utility/utility_gn/moz.build third_party/libwebrtc/third_party/abseil-cpp/absl/utility/utility_gn/moz.build
 index 8a8c4fd3406a..c06e16fa60f4 100644
 --- third_party/libwebrtc/third_party/abseil-cpp/absl/utility/utility_gn/moz.build
 +++ third_party/libwebrtc/third_party/abseil-cpp/absl/utility/utility_gn/moz.build
 @@ -10,6 +10,11 @@ COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -32,117 +37,10 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_NONSTDC_NO_DEPRECATE"] = True
 -    DEFINES["_CRT_NONSTDC_NO_WARNINGS"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("utility_gn")
 diff --git third_party/libwebrtc/third_party/drm/drm_gn/moz.build third_party/libwebrtc/third_party/drm/drm_gn/moz.build
 index a397ac2643f2..ae35e8229645 100644
 --- third_party/libwebrtc/third_party/drm/drm_gn/moz.build
 +++ third_party/libwebrtc/third_party/drm/drm_gn/moz.build
 @@ -12,21 +12,17 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["USE_AURA"] = "1"
  DEFINES["USE_GLIB"] = "1"
 -DEFINES["USE_NSS_CERTS"] = "1"
  DEFINES["USE_OZONE"] = "1"
 -DEFINES["USE_UDEV"] = True
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["_FILE_OFFSET_BITS"] = "64"
 -DEFINES["_GNU_SOURCE"] = True
  DEFINES["_LARGEFILE64_SOURCE"] = True
  DEFINES["_LARGEFILE_SOURCE"] = True
  DEFINES["__STDC_CONSTANT_MACROS"] = True
 @@ -63,12 +59,6 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
 @@ -82,7 +72,7 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/third_party/gbm/gbm_gn/moz.build third_party/libwebrtc/third_party/gbm/gbm_gn/moz.build
 index badbac28ea59..7e55d47e63a2 100644
 --- third_party/libwebrtc/third_party/gbm/gbm_gn/moz.build
 +++ third_party/libwebrtc/third_party/gbm/gbm_gn/moz.build
 @@ -12,21 +12,17 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["USE_AURA"] = "1"
  DEFINES["USE_GLIB"] = "1"
 -DEFINES["USE_NSS_CERTS"] = "1"
  DEFINES["USE_OZONE"] = "1"
 -DEFINES["USE_UDEV"] = True
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["_FILE_OFFSET_BITS"] = "64"
 -DEFINES["_GNU_SOURCE"] = True
  DEFINES["_LARGEFILE64_SOURCE"] = True
  DEFINES["_LARGEFILE_SOURCE"] = True
  DEFINES["__STDC_CONSTANT_MACROS"] = True
 @@ -61,12 +57,6 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
 @@ -80,7 +70,7 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/third_party/libepoxy/libepoxy_gn/moz.build third_party/libwebrtc/third_party/libepoxy/libepoxy_gn/moz.build
 index 000380105901..ef88818e351d 100644
 --- third_party/libwebrtc/third_party/libepoxy/libepoxy_gn/moz.build
 +++ third_party/libwebrtc/third_party/libepoxy/libepoxy_gn/moz.build
 @@ -12,21 +12,17 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["USE_AURA"] = "1"
  DEFINES["USE_GLIB"] = "1"
 -DEFINES["USE_NSS_CERTS"] = "1"
  DEFINES["USE_OZONE"] = "1"
 -DEFINES["USE_UDEV"] = True
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["_FILE_OFFSET_BITS"] = "64"
 -DEFINES["_GNU_SOURCE"] = True
  DEFINES["_LARGEFILE64_SOURCE"] = True
  DEFINES["_LARGEFILE_SOURCE"] = True
  DEFINES["__STDC_CONSTANT_MACROS"] = True
 @@ -62,12 +58,6 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
 @@ -81,7 +71,7 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/third_party/libyuv/libyuv_gn/moz.build third_party/libwebrtc/third_party/libyuv/libyuv_gn/moz.build
 index ed639610edb8..bec84e2f5a4d 100644
 --- third_party/libwebrtc/third_party/libyuv/libyuv_gn/moz.build
 +++ third_party/libwebrtc/third_party/libyuv/libyuv_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -41,107 +51,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -151,50 +71,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("yuv_gn")
 diff --git third_party/libwebrtc/third_party/pffft/pffft_gn/moz.build third_party/libwebrtc/third_party/pffft/pffft_gn/moz.build
 index f1aad5d0b448..e3c3b4dc2ce0 100644
 --- third_party/libwebrtc/third_party/pffft/pffft_gn/moz.build
 +++ third_party/libwebrtc/third_party/pffft/pffft_gn/moz.build
 @@ -9,6 +9,14 @@
  COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
 +
  FINAL_LIBRARY = "webrtc"
  
  
 @@ -33,87 +41,15 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_USE_MATH_DEFINES"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CFLAGS += [
 -        "-mfpu=neon"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["PFFFT_SIMD_DISABLE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "mips64":
  
      DEFINES["PFFFT_SIMD_DISABLE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "ppc64":
  
 @@ -123,60 +59,14 @@ if CONFIG["TARGET_CPU"] == "riscv64":
  
      DEFINES["PFFFT_SIMD_DISABLE"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("pffft_gn")
 diff --git third_party/libwebrtc/third_party/pipewire/pipewire_gn/moz.build third_party/libwebrtc/third_party/pipewire/pipewire_gn/moz.build
 index 6209fa98cc55..bc0fbed530b4 100644
 --- third_party/libwebrtc/third_party/pipewire/pipewire_gn/moz.build
 +++ third_party/libwebrtc/third_party/pipewire/pipewire_gn/moz.build
 @@ -12,22 +12,18 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 -DEFINES["USE_AURA"] = "1"
  DEFINES["USE_GLIB"] = "1"
 -DEFINES["USE_NSS_CERTS"] = "1"
  DEFINES["USE_OZONE"] = "1"
 -DEFINES["USE_UDEV"] = True
 +DEFINES["WEBRTC_BSD"] = True
  DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 -DEFINES["WEBRTC_LINUX"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
  DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
  DEFINES["WEBRTC_USE_PIPEWIRE"] = True
  DEFINES["_FILE_OFFSET_BITS"] = "64"
 -DEFINES["_GNU_SOURCE"] = True
  DEFINES["_LARGEFILE64_SOURCE"] = True
  DEFINES["_LARGEFILE_SOURCE"] = True
  DEFINES["__STDC_CONSTANT_MACROS"] = True
 @@ -62,12 +58,6 @@ if CONFIG["TARGET_CPU"] == "aarch64":
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
 @@ -81,7 +71,7 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 diff --git third_party/libwebrtc/third_party/rnnoise/rnn_vad_gn/moz.build third_party/libwebrtc/third_party/rnnoise/rnn_vad_gn/moz.build
 index 7122118c08c9..7c0c3d96945e 100644
 --- third_party/libwebrtc/third_party/rnnoise/rnn_vad_gn/moz.build
 +++ third_party/libwebrtc/third_party/rnnoise/rnn_vad_gn/moz.build
 @@ -9,6 +9,14 @@
  COMPILE_FLAGS["OS_INCLUDES"] = []
  AllowCompilerWarnings()
  
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
 +
  FINAL_LIBRARY = "webrtc"
  
  
 @@ -33,139 +41,16 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -if CONFIG["TARGET_CPU"] == "mips32":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
      DEFINES["_DEBUG"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 +if CONFIG["TARGET_CPU"] == "x86":
  
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("rnn_vad_gn")
 diff --git third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
 index 18d29da55678..ee1b5000f55a 100644
 --- third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
 +++ third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -52,190 +62,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_adaptation_gn")
 diff --git third_party/libwebrtc/video/config/encoder_config_gn/moz.build third_party/libwebrtc/video/config/encoder_config_gn/moz.build
 index 4dbe7bf32c49..f417c976fc09 100644
 --- third_party/libwebrtc/video/config/encoder_config_gn/moz.build
 +++ third_party/libwebrtc/video/config/encoder_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("encoder_config_gn")
 diff --git third_party/libwebrtc/video/config/streams_config_gn/moz.build third_party/libwebrtc/video/config/streams_config_gn/moz.build
 index c34883fb3730..bf53b31dbe77 100644
 --- third_party/libwebrtc/video/config/streams_config_gn/moz.build
 +++ third_party/libwebrtc/video/config/streams_config_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("streams_config_gn")
 diff --git third_party/libwebrtc/video/decode_synchronizer_gn/moz.build third_party/libwebrtc/video/decode_synchronizer_gn/moz.build
 index 0aff4a854c57..c30a81d15c5e 100644
 --- third_party/libwebrtc/video/decode_synchronizer_gn/moz.build
 +++ third_party/libwebrtc/video/decode_synchronizer_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("decode_synchronizer_gn")
 diff --git third_party/libwebrtc/video/frame_cadence_adapter_gn/moz.build third_party/libwebrtc/video/frame_cadence_adapter_gn/moz.build
 index a860d550ad87..be8a118afa55 100644
 --- third_party/libwebrtc/video/frame_cadence_adapter_gn/moz.build
 +++ third_party/libwebrtc/video/frame_cadence_adapter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_cadence_adapter_gn")
 diff --git third_party/libwebrtc/video/frame_decode_scheduler_gn/moz.build third_party/libwebrtc/video/frame_decode_scheduler_gn/moz.build
 index d3fb5a47101a..748c6fbb6acf 100644
 --- third_party/libwebrtc/video/frame_decode_scheduler_gn/moz.build
 +++ third_party/libwebrtc/video/frame_decode_scheduler_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("frame_decode_scheduler_gn")
 diff --git third_party/libwebrtc/video/frame_decode_timing_gn/moz.build third_party/libwebrtc/video/frame_decode_timing_gn/moz.build
 index 9161f27d718e..bf76b80dce48 100644
 --- third_party/libwebrtc/video/frame_decode_timing_gn/moz.build
 +++ third_party/libwebrtc/video/frame_decode_timing_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_decode_timing_gn")
 diff --git third_party/libwebrtc/video/frame_dumping_decoder_gn/moz.build third_party/libwebrtc/video/frame_dumping_decoder_gn/moz.build
 index 309c0b159e13..080bbd8999f7 100644
 --- third_party/libwebrtc/video/frame_dumping_decoder_gn/moz.build
 +++ third_party/libwebrtc/video/frame_dumping_decoder_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_dumping_decoder_gn")
 diff --git third_party/libwebrtc/video/frame_dumping_encoder_gn/moz.build third_party/libwebrtc/video/frame_dumping_encoder_gn/moz.build
 index 6719245825f8..18b7d57c46ae 100644
 --- third_party/libwebrtc/video/frame_dumping_encoder_gn/moz.build
 +++ third_party/libwebrtc/video/frame_dumping_encoder_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("frame_dumping_encoder_gn")
 diff --git third_party/libwebrtc/video/render/incoming_video_stream_gn/moz.build third_party/libwebrtc/video/render/incoming_video_stream_gn/moz.build
 index 36d087a36ad9..bb86b6904a1e 100644
 --- third_party/libwebrtc/video/render/incoming_video_stream_gn/moz.build
 +++ third_party/libwebrtc/video/render/incoming_video_stream_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("incoming_video_stream_gn")
 diff --git third_party/libwebrtc/video/render/video_render_frames_gn/moz.build third_party/libwebrtc/video/render/video_render_frames_gn/moz.build
 index b0b4923e3415..c959f629c28c 100644
 --- third_party/libwebrtc/video/render/video_render_frames_gn/moz.build
 +++ third_party/libwebrtc/video/render/video_render_frames_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_render_frames_gn")
 diff --git third_party/libwebrtc/video/task_queue_frame_decode_scheduler_gn/moz.build third_party/libwebrtc/video/task_queue_frame_decode_scheduler_gn/moz.build
 index 302f8420c940..72717c771efc 100644
 --- third_party/libwebrtc/video/task_queue_frame_decode_scheduler_gn/moz.build
 +++ third_party/libwebrtc/video/task_queue_frame_decode_scheduler_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("task_queue_frame_decode_scheduler_gn")
 diff --git third_party/libwebrtc/video/unique_timestamp_counter_gn/moz.build third_party/libwebrtc/video/unique_timestamp_counter_gn/moz.build
 index e38fabc4cc62..0d30b9bd4787 100644
 --- third_party/libwebrtc/video/unique_timestamp_counter_gn/moz.build
 +++ third_party/libwebrtc/video/unique_timestamp_counter_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("unique_timestamp_counter_gn")
 diff --git third_party/libwebrtc/video/video_gn/moz.build third_party/libwebrtc/video/video_gn/moz.build
 index 1106f274c25d..fb1f9c3097d2 100644
 --- third_party/libwebrtc/video/video_gn/moz.build
 +++ third_party/libwebrtc/video/video_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -62,190 +72,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_gn")
 diff --git third_party/libwebrtc/video/video_receive_stream_timeout_tracker_gn/moz.build third_party/libwebrtc/video/video_receive_stream_timeout_tracker_gn/moz.build
 index f7e5be24c0e5..bd076121f04b 100644
 --- third_party/libwebrtc/video/video_receive_stream_timeout_tracker_gn/moz.build
 +++ third_party/libwebrtc/video/video_receive_stream_timeout_tracker_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_receive_stream_timeout_tracker_gn")
 diff --git third_party/libwebrtc/video/video_stream_buffer_controller_gn/moz.build third_party/libwebrtc/video/video_stream_buffer_controller_gn/moz.build
 index 7da76222b17f..d3d87dd6dc37 100644
 --- third_party/libwebrtc/video/video_stream_buffer_controller_gn/moz.build
 +++ third_party/libwebrtc/video/video_stream_buffer_controller_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_stream_buffer_controller_gn")
 diff --git third_party/libwebrtc/video/video_stream_encoder_impl_gn/moz.build third_party/libwebrtc/video/video_stream_encoder_impl_gn/moz.build
 index af4e29ee0a0e..ebcf5af12e54 100644
 --- third_party/libwebrtc/video/video_stream_encoder_impl_gn/moz.build
 +++ third_party/libwebrtc/video/video_stream_encoder_impl_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -48,190 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    CXXFLAGS += [
 -        "-mfpu=neon"
 -    ]
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_X11"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
 -
      CXXFLAGS += [
          "-msse2"
      ]
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -    CXXFLAGS += [
 -        "-msse2"
 -    ]
 +if CONFIG["TARGET_CPU"] == "x86_64":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
 -    DEFINES["_GNU_SOURCE"] = True
 +    DEFINES["USE_X11"] = "1"
  
  Library("video_stream_encoder_impl_gn")
 diff --git third_party/libwebrtc/video/video_stream_encoder_interface_gn/moz.build third_party/libwebrtc/video/video_stream_encoder_interface_gn/moz.build
 index beeb7f91175e..82e65469d09c 100644
 --- third_party/libwebrtc/video/video_stream_encoder_interface_gn/moz.build
 +++ third_party/libwebrtc/video/video_stream_encoder_interface_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "iphlpapi",
 -        "secur32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 -
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["TARGET_CPU"] == "mips64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
  
  if CONFIG["TARGET_CPU"] == "x86":
  
 @@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 -
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["_GNU_SOURCE"] = True
 -
  Library("video_stream_encoder_interface_gn")
 diff --git third_party/libwebrtc/webrtc_gn/moz.build third_party/libwebrtc/webrtc_gn/moz.build
 index b327aad03049..4b3dba6c6883 100644
 --- third_party/libwebrtc/webrtc_gn/moz.build
 +++ third_party/libwebrtc/webrtc_gn/moz.build
 @@ -12,11 +12,21 @@ AllowCompilerWarnings()
  DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
  DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
  DEFINES["RTC_ENABLE_VP9"] = True
 +DEFINES["USE_GLIB"] = "1"
 +DEFINES["USE_OZONE"] = "1"
 +DEFINES["WEBRTC_BSD"] = True
 +DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
  DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
  DEFINES["WEBRTC_LIBRARY_IMPL"] = True
  DEFINES["WEBRTC_MOZILLA_BUILD"] = True
  DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
 +DEFINES["WEBRTC_POSIX"] = True
  DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 +DEFINES["_FILE_OFFSET_BITS"] = "64"
 +DEFINES["_LARGEFILE64_SOURCE"] = True
 +DEFINES["_LARGEFILE_SOURCE"] = True
 +DEFINES["__STDC_CONSTANT_MACROS"] = True
 +DEFINES["__STDC_FORMAT_MACROS"] = True
  
  FINAL_LIBRARY = "webrtc"
  
 @@ -39,143 +49,23 @@ if not CONFIG["MOZ_DEBUG"]:
  if CONFIG["MOZ_DEBUG"] == "1":
  
      DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
 -
 -if CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["ANDROID"] = True
 -    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
 -    DEFINES["HAVE_SYS_UIO_H"] = True
 -    DEFINES["WEBRTC_ANDROID"] = True
 -    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "GLESv2",
 -        "log"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["WEBRTC_MAC"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
 -    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/third_party/libwebrtc/sdk/objc/",
 -        "/third_party/libwebrtc/sdk/objc/base/"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_NSS_CERTS"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_UDEV"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_LINUX"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "rt"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["USE_GLIB"] = "1"
 -    DEFINES["USE_OZONE"] = "1"
 -    DEFINES["USE_X11"] = "1"
 -    DEFINES["WEBRTC_BSD"] = True
 -    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 -    DEFINES["WEBRTC_POSIX"] = True
 -    DEFINES["_FILE_OFFSET_BITS"] = "64"
 -    DEFINES["_LARGEFILE64_SOURCE"] = True
 -    DEFINES["_LARGEFILE_SOURCE"] = True
 -    DEFINES["__STDC_CONSTANT_MACROS"] = True
 -    DEFINES["__STDC_FORMAT_MACROS"] = True
 -
 -    OS_LIBS += [
 -        "X11",
 -        "Xcomposite",
 -        "Xdamage",
 -        "Xext",
 -        "Xfixes",
 -        "Xrandr",
 -        "Xrender"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
 -    DEFINES["NOMINMAX"] = True
 -    DEFINES["NTDDI_VERSION"] = "0x0A000000"
 -    DEFINES["PSAPI_VERSION"] = "2"
 -    DEFINES["RTC_ENABLE_WIN_WGC"] = True
 -    DEFINES["UNICODE"] = True
 -    DEFINES["USE_AURA"] = "1"
 -    DEFINES["WEBRTC_WIN"] = True
 -    DEFINES["WIN32"] = True
 -    DEFINES["WIN32_LEAN_AND_MEAN"] = True
 -    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
 -    DEFINES["WINVER"] = "0x0A00"
 -    DEFINES["_ATL_NO_OPENGL"] = True
 -    DEFINES["_CRT_RAND_S"] = True
 -    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
 -    DEFINES["_HAS_EXCEPTIONS"] = "0"
 -    DEFINES["_HAS_NODISCARD"] = True
 -    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
 -    DEFINES["_SECURE_ATL"] = True
 -    DEFINES["_UNICODE"] = True
 -    DEFINES["_WIN32_WINNT"] = "0x0A00"
 -    DEFINES["_WINDOWS"] = True
 -    DEFINES["__STD_C"] = True
 -
 -    OS_LIBS += [
 -        "crypt32",
 -        "d3d11",
 -        "dwmapi",
 -        "dxgi",
 -        "iphlpapi",
 -        "ole32",
 -        "oleaut32",
 -        "secur32",
 -        "shcore",
 -        "strmiids",
 -        "user32",
 -        "winmm"
 -    ]
 +    DEFINES["_DEBUG"] = True
  
  if CONFIG["TARGET_CPU"] == "aarch64":
  
      DEFINES["WEBRTC_ARCH_ARM64"] = True
      DEFINES["WEBRTC_HAS_NEON"] = True
 +    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
  
 -if CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_ARCH_ARM"] = True
 -    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
 -    DEFINES["WEBRTC_HAS_NEON"] = True
 +    LOCAL_INCLUDES += [
 +        "/third_party/pipewire/"
 +    ]
  
  if CONFIG["TARGET_CPU"] == "mips32":
  
      DEFINES["MIPS32_LE"] = True
      DEFINES["MIPS_FPU_LE"] = True
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/third_party/pipewire/"
 @@ -184,7 +74,6 @@ if CONFIG["TARGET_CPU"] == "mips32":
  if CONFIG["TARGET_CPU"] == "mips64":
  
      DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
  
      LOCAL_INCLUDES += [
          "/third_party/pipewire/"
 @@ -193,32 +82,22 @@ if CONFIG["TARGET_CPU"] == "mips64":
  if CONFIG["TARGET_CPU"] == "x86":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 +
 +    LOCAL_INCLUDES += [
 +        "/third_party/pipewire/"
 +    ]
  
  if CONFIG["TARGET_CPU"] == "x86_64":
  
      DEFINES["WEBRTC_ENABLE_AVX2"] = True
 +    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
  
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
 -
 -    DEFINES["_DEBUG"] = True
 -
 -if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
 -
 -    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
 +    LOCAL_INCLUDES += [
 +        "/third_party/pipewire/"
 +    ]
  
 -if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
 +if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
  
      DEFINES["USE_X11"] = "1"
  
 @@ -232,46 +111,4 @@ if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
          "Xrender"
      ]
  
 -if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    OS_LIBS += [
 -        "unwind"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/third_party/pipewire/"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/third_party/pipewire/"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/third_party/pipewire/"
 -    ]
 -
 -if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
 -
 -    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
 -    DEFINES["_GNU_SOURCE"] = True
 -
 -    LOCAL_INCLUDES += [
 -        "/third_party/pipewire/"
 -    ]
 -
  Library("webrtc_gn")