Roll chromium_revision 279e7226e3..7b0dbaf21a (1300530:1300655)

Change log: https://chromium.googlesource.com/chromium/src/+log/279e7226e3..7b0dbaf21a
Full diff: https://chromium.googlesource.com/chromium/src/+/279e7226e3..7b0dbaf21a

Changed dependencies
* src/buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/4e0e9c73a0..6206ead2d5
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/003762fbc1..c7e4c69b99
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/4f5466937c..292daad51d
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/09e6bbdf6d..0bc446e638
* src/third_party/harfbuzz-ng/src: https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git/+log/155015f4be..bba0c0e27c
* src/third_party/libc++/src: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git/+log/e3b94d0e5b..852bc6746f
* src/third_party/perfetto: https://android.googlesource.com/platform/external/perfetto.git/+log/6aaa8a1fb1..15decdc02f
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/0a53973274..0a0483184d
DEPS diff: https://chromium.googlesource.com/chromium/src/+/279e7226e3..7b0dbaf21a/DEPS

No update to Clang.

BUG=None

Change-Id: Ic80e9695e45097d7aa92549999b56e65f524b332
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/350503
Bot-Commit: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Commit-Queue: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#42301}
diff --git a/DEPS b/DEPS
index 2bf14c0..f5ed67b 100644
--- a/DEPS
+++ b/DEPS
@@ -10,7 +10,7 @@
   # chromium waterfalls. More info at: crbug.com/570091.
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
-  'chromium_revision': '279e7226e3cbbcb69a32cd678c6648ca6fe8f64b',
+  'chromium_revision': '7b0dbaf21a89b74417a092bd5f4cba1db233becd',
 
   # Fetch the prebuilt binaries for llvm-cov and llvm-profdata. Needed to
   # process the raw profiles produced by instrumented targets (built with
@@ -59,20 +59,20 @@
   'src/build':
     'https://chromium.googlesource.com/chromium/src/build@e6bad9d579ad23c516bb49a145dedae944a7e639',
   'src/buildtools':
-    'https://chromium.googlesource.com/chromium/src/buildtools@4e0e9c73a0f26735f034f09a9cab2a5c0178536b',
+    'https://chromium.googlesource.com/chromium/src/buildtools@6206ead2d5fbf66d174c5ee7edd05dbefcc849a0',
   # Gradle 6.6.1. Used for testing Android Studio project generation for WebRTC.
   'src/examples/androidtests/third_party/gradle': {
     'url': 'https://chromium.googlesource.com/external/github.com/gradle/gradle.git@f2d1fb54a951d8b11d25748e4711bec8d128d7e3',
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@003762fbc1bd79d72a7d9831eedddeaa419540d8',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@c7e4c69b99650c20560fe531dafad70b5b0218c0',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@4f5466937cfa3e9ae2ec9f9ae21ea5ba402623ec',
+    'https://chromium.googlesource.com/chromium/src/testing@292daad51d4ae18ade7deb20fb5453d71f77f683',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@09e6bbdf6d375ada0ac3c0bfd573d8226fce73c4',
+    'https://chromium.googlesource.com/chromium/src/third_party@0bc446e63864cf939e16b6e4b509e9ff5ddd8566',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -120,7 +120,7 @@
   'src/third_party/clang-format/script':
     'https://chromium.googlesource.com/external/github.com/llvm/llvm-project/clang/tools/clang-format.git@3c0acd2d4e73dd911309d9e970ba09d58bf23a62',
   'src/third_party/libc++/src':
-    'https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git@e3b94d0e5b86883fd77696bf10dc33ba250ba99b',
+    'https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git@852bc6746f45add53fec19f3a29280e69e358d44',
   'src/third_party/libc++abi/src':
     'https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi.git@a37a3aa431f132b02a58656f13984d51098330a2',
   'src/third_party/libunwind/src':
@@ -237,7 +237,7 @@
   'src/third_party/freetype/src':
     'https://chromium.googlesource.com/chromium/src/third_party/freetype2.git@68399b4244d85a1acc18ce669176b531b2eb7e32',
   'src/third_party/harfbuzz-ng/src':
-    'https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git@155015f4bec434ecc2f94621665844218f05ce51',
+    'https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git@bba0c0e27cf22244d6ffcd9dffc8e9ad1f4c1bc6',
   'src/third_party/google_benchmark/src': {
     'url': 'https://chromium.googlesource.com/external/github.com/google/benchmark.git@344117638c8ff7e239044fd0fa7085839fc03021',
   },
@@ -321,7 +321,7 @@
       'condition': 'checkout_android',
   },
   'src/third_party/perfetto':
-    'https://android.googlesource.com/platform/external/perfetto.git@6aaa8a1fb15659d1b68179e20993e969d9f500f8',
+    'https://android.googlesource.com/platform/external/perfetto.git@15decdc02fc0dfa89e8c07e070f961e6c643e350',
   'src/third_party/protobuf-javascript/src':
     Var('chromium_git') + '/external/github.com/protocolbuffers/protobuf-javascript' + '@' + 'e34549db516f8712f678fcd4bc411613b5cc5295',
   'src/third_party/libvpx/source/libvpx':
@@ -380,7 +380,7 @@
     'condition': 'checkout_android',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@0a53973274c020bcbdbbba13fcb6fe32110f3467',
+    'https://chromium.googlesource.com/chromium/src/tools@0a0483184da3c78dedc0c689c44db698261d892e',
 
   'src/third_party/espresso': {
       'packages': [