Roll chromium_revision a081fb662a..7a46078a3f (768098:768198)

Change log: https://chromium.googlesource.com/chromium/src/+log/a081fb662a..7a46078a3f
Full diff: https://chromium.googlesource.com/chromium/src/+/a081fb662a..7a46078a3f

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/e59babb238..a4ea6a9188
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/f5f5bbab6c..995e5d1e59
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/8d59f9ebdc..9e7aab0d66
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/ce6179960e..c9f85e9d97
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/ece4e14917..b289306719
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/376279b1a5..ca8802d27b
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/615119f309..2205024628
DEPS diff: https://chromium.googlesource.com/chromium/src/+/a081fb662a..7a46078a3f/DEPS

No update to Clang.

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

Change-Id: I045576182aec649b5414548405e21719c1c37c30
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/175020
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@{#31235}
diff --git a/DEPS b/DEPS
index fc3a22d..f57756b 100644
--- a/DEPS
+++ b/DEPS
@@ -8,16 +8,16 @@
   # chromium waterfalls. More info at: crbug.com/570091.
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
-  'chromium_revision': 'a081fb662acbda82264911bba0f57f77b5f6210c',
+  'chromium_revision': '7a46078a3f617be8f1b24c6eecf4a35bdac0da86',
 }
 
 deps = {
   # 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@e59babb23898ed6a2e0b065dda6c36aa3f816d0d',
+    'https://chromium.googlesource.com/chromium/src/base@a4ea6a9188c84fbc195175fbd7aa432a5b0b0742',
   'src/build':
-    'https://chromium.googlesource.com/chromium/src/build@f5f5bbab6c3578c3714e575ff0455ff5ae7f0424',
+    'https://chromium.googlesource.com/chromium/src/build@995e5d1e59d73c61aecaa51cd995880e1d04b1b2',
   'src/buildtools':
     'https://chromium.googlesource.com/chromium/src/buildtools@204a35a2a64f7179f8b76d7a0385653690839e21',
   # Gradle 4.3-rc4. Used for testing Android Studio project generation for WebRTC.
@@ -26,13 +26,13 @@
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@8d59f9ebdc9dd6954ca6eb4a3f1f194f3a2b3ef1',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@9e7aab0d66277b393552724c4ad454f3303a1180',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@ce6179960efef088048f8184148f19749394c76e',
+    'https://chromium.googlesource.com/chromium/src/testing@c9f85e9d976d6924c1fa9d2276b0f2e74058e406',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@ece4e1491743af5ae4c42d020fc5ead09696df0a',
+    'https://chromium.googlesource.com/chromium/src/third_party@b289306719ff46f28ba51d1293f14a543aed4e93',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -123,7 +123,7 @@
   'src/third_party/breakpad/breakpad':
     'https://chromium.googlesource.com/breakpad/breakpad.git@2ffe116322aa4373d408a72b665fa7fe7a504d4a',
   'src/third_party/catapult':
-    'https://chromium.googlesource.com/catapult.git@376279b1a531c1e28b84de3e8099e2126527b630',
+    'https://chromium.googlesource.com/catapult.git@ca8802d27b8c8f8731db1cd488eab44ee9881266',
   'src/third_party/ced/src': {
     'url': 'https://chromium.googlesource.com/external/github.com/google/compact_enc_det.git@ba412eaaacd3186085babcd901679a48863c7dd5',
   },
@@ -257,7 +257,7 @@
     'condition': 'checkout_win',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@615119f30987a686c8e051603bd0860f9c38293c',
+    'https://chromium.googlesource.com/chromium/src/tools@22050246287188c796aef924dca662b933786ae3',
   'src/tools/swarming_client':
     'https://chromium.googlesource.com/infra/luci/client-py.git@160b445a44e0daacf6f3f8570ca2707ec451f374',