Roll chromium_revision 9c956fde86..6d6259fea9 (1001738:1001859)

Change log: https://chromium.googlesource.com/chromium/src/+log/9c956fde86..6d6259fea9
Full diff: https://chromium.googlesource.com/chromium/src/+/9c956fde86..6d6259fea9

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/c97a8a93fc..88efeaa992
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/432b6c6b3c..1c34f36484
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/73feb8712a..0890387867
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/d93abe0982..e2bae8d634
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/0d7fadfd52..25e5903bcd
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/cc11128444..d1ddc12119
* src/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/cb2cef9a77..31bfd51995
* src/third_party/libvpx/source/libvpx: https://chromium.googlesource.com/webm/libvpx.git/+log/665f6a3065..cb1abee145
* src/third_party/perfetto: https://android.googlesource.com/platform/external/perfetto.git/+log/5508464a31..a942004e95
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/fb895869bd..4ef2956fcb
DEPS diff: https://chromium.googlesource.com/chromium/src/+/9c956fde86..6d6259fea9/DEPS

No update to Clang.

BUG=None

Change-Id: I157a94cbddc833ad4eff68042d34b325d5256d20
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262001
Commit-Queue: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Bot-Commit: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#36845}
diff --git a/DEPS b/DEPS
index ba0a09a..e30f08f 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': '9c956fde866862a7eff1fcf5b2da127cd5d10eed',
+  'chromium_revision': '6d6259fea9a26e14fcbda0e1c4d9809df313e609',
 
   # Keep the Chromium default of generating location tags.
   'generate_location_tags': True,
@@ -23,9 +23,9 @@
   # TODO(kjellander): Move this to be Android-only once the libevent dependency
   # in base/third_party/libevent is solved.
   'src/base':
-    'https://chromium.googlesource.com/chromium/src/base@c97a8a93fcebd6346377d05cd30358166a38c178',
+    'https://chromium.googlesource.com/chromium/src/base@88efeaa992015cfdcdf5f270232bd34fc2e611c2',
   'src/build':
-    'https://chromium.googlesource.com/chromium/src/build@432b6c6b3caf0737e85451120208ea4109d1cb5e',
+    'https://chromium.googlesource.com/chromium/src/build@1c34f36484f43be915b48b090527d87356c72ce8',
   'src/buildtools':
     'https://chromium.googlesource.com/chromium/src/buildtools@7208eddba161d85108097c3c5975264c04e3cad8',
   # Gradle 6.6.1. Used for testing Android Studio project generation for WebRTC.
@@ -34,13 +34,13 @@
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@73feb8712ad649a9ccfbbb9e3f5b224bbd6d82ac',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@089038786720104dad743a8ae7cc126793aa4e54',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@d93abe0982e90cb9be579c65c2ff0a5a27aca20d',
+    'https://chromium.googlesource.com/chromium/src/testing@e2bae8d6343d03f03aedb11945eef9107fe0107c',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@0d7fadfd5205fbbe2e1e719735420ebffb858f47',
+    'https://chromium.googlesource.com/chromium/src/third_party@25e5903bcd3706d121f4caff21eac7cbde1dd77c',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -129,7 +129,7 @@
   'src/third_party/breakpad/breakpad':
     'https://chromium.googlesource.com/breakpad/breakpad.git@8b68c72a3fff2bb687c7f411e5c1c09e356b8603',
   'src/third_party/catapult':
-    'https://chromium.googlesource.com/catapult.git@cc11128444a9bcdc1be8bb31aed310331903fee1',
+    'https://chromium.googlesource.com/catapult.git@d1ddc12119ab1365426dac869c09711ee3a463ed',
   'src/third_party/ced/src': {
     'url': 'https://chromium.googlesource.com/external/github.com/google/compact_enc_det.git@ba412eaaacd3186085babcd901679a48863c7dd5',
   },
@@ -138,7 +138,7 @@
   'src/third_party/crc32c/src':
     'https://chromium.googlesource.com/external/github.com/google/crc32c.git@fa5ade41ee480003d9c5af6f43567ba22e4e17e6',
   'src/third_party/depot_tools':
-    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@cb2cef9a77e56977f46a6f2785f34587c414ce62',
+    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@31bfd519956b011b822769f227fd7dcf679f2f43',
   'src/third_party/ffmpeg':
     'https://chromium.googlesource.com/chromium/third_party/ffmpeg.git@e481fc655a6287e657a88e8c2bcd6f411d254d70',
   'src/third_party/findbugs': {
@@ -220,9 +220,9 @@
       'condition': 'checkout_android',
   },
   'src/third_party/perfetto':
-    'https://android.googlesource.com/platform/external/perfetto.git@5508464a31539928b590baefc469ca4077612872',
+    'https://android.googlesource.com/platform/external/perfetto.git@a942004e951f2d6ccd726fc6ee4e62e5f08c2e62',
   'src/third_party/libvpx/source/libvpx':
-    'https://chromium.googlesource.com/webm/libvpx.git@665f6a3065555317e75915af2561cf9b776e50b6',
+    'https://chromium.googlesource.com/webm/libvpx.git@cb1abee1455ac7e552da271ac64c71d117caaa77',
   'src/third_party/libyuv':
     'https://chromium.googlesource.com/libyuv/libyuv.git@d62ee21e6627888e84466b5a5ed15775582ac67b',
   'src/third_party/lss': {
@@ -275,7 +275,7 @@
     'condition': 'checkout_win',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@fb895869bd67aba8010e85f51320f25cc6c740c8',
+    'https://chromium.googlesource.com/chromium/src/tools@4ef2956fcb61a9e1ebd61e6823223a74e3a37bcb',
 
   'src/third_party/accessibility_test_framework': {
       'packages': [