Roll chromium_revision 6b2bcf62a8..8d6c555efd (790515:790803)

Change log: https://chromium.googlesource.com/chromium/src/+log/6b2bcf62a8..8d6c555efd
Full diff: https://chromium.googlesource.com/chromium/src/+/6b2bcf62a8..8d6c555efd

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/db84a3cbe5..d8b16c1bbc
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/124d030a73..1638c0873a
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/d51d66a3c9..4165296e14
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/0411afc27f..fd79c6e84d
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/98978dde2a..6ab2e80c63
* src/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/9949ab7a4b..c07c59ddb0
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/d50c1e9d05..be05066cf4
DEPS diff: https://chromium.googlesource.com/chromium/src/+/6b2bcf62a8..8d6c555efd/DEPS

No update to Clang.

TBR=chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com,
BUG=None

Change-Id: Ic9ff5ed1d2371364f0c471f04edf5f9746614c4b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180000
Reviewed-by: 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/master@{#31781}
diff --git a/DEPS b/DEPS
index 6b5c55d..a9da0c7 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': '6b2bcf62a8d67c7a80bbb0ac1ef11921b7c57d79',
+  'chromium_revision': '8d6c555efdfce3cf6687bdfbb89232c0eebd9433',
 
   # This can be overridden, e.g. with custom_vars, to download a nonstandard
   # Xcode version in build/mac_toolchain.py
@@ -22,9 +22,9 @@
   # 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@db84a3cbe5b7a0402ded5e1836ecbd1ed7e681a5',
+    'https://chromium.googlesource.com/chromium/src/base@d8b16c1bbca1fd056671860850dcd621d52a8d8d',
   'src/build':
-    'https://chromium.googlesource.com/chromium/src/build@124d030a73694c96efe4675a1c0df607e86516fe',
+    'https://chromium.googlesource.com/chromium/src/build@1638c0873a258e388eec37996ffe9f2ac01845be',
   'src/buildtools':
     'https://chromium.googlesource.com/chromium/src/buildtools@9e121212d42be62a7cce38072f925f8398d11e49',
   # Gradle 4.3-rc4. Used for testing Android Studio project generation for WebRTC.
@@ -33,13 +33,13 @@
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@d51d66a3c98ad30c027bd11966507bf51e6b6a5f',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@4165296e14caff73dc501b541be2ce19c58ad231',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@0411afc27fd137a2d82348d439aa4daff078117b',
+    'https://chromium.googlesource.com/chromium/src/testing@fd79c6e84de16aad54958b9098628e25402bf48a',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@98978dde2ae4cebc3c99203ca4674a58f762f1b5',
+    'https://chromium.googlesource.com/chromium/src/third_party@6ab2e80c63291e322f9ba2204a3cdc56f4e80e45',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -137,7 +137,7 @@
   'src/third_party/colorama/src':
     'https://chromium.googlesource.com/external/colorama.git@799604a1041e9b3bc5d2789ecbd7e8db2e18e6b8',
   'src/third_party/depot_tools':
-    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@9949ab7a4b1cb3c342b38129b4e0bfcfb2ef5749',
+    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@c07c59ddb0be93cecac66bb37a60b87670d246ab',
   'src/third_party/ffmpeg':
     'https://chromium.googlesource.com/chromium/third_party/ffmpeg.git@d2dd36c03501e995e8ce2d792d834392b2e62bfe',
   'src/third_party/findbugs': {
@@ -265,7 +265,7 @@
     'condition': 'checkout_win',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@d50c1e9d058bfd361917e50ca9a66d486a8c6d3b',
+    'https://chromium.googlesource.com/chromium/src/tools@be05066cf41d53f2445ef41ac5d8c5175447e9cf',
   'src/tools/swarming_client':
     'https://chromium.googlesource.com/infra/luci/client-py.git@4c095d04179dc725a300085ae21fe3b79900d072',