Roll chromium_revision d22a0616e6..a507c0434d (513102:513103)

Change log: https://chromium.googlesource.com/chromium/src/+log/d22a0616e6..a507c0434d
Full diff: https://chromium.googlesource.com/chromium/src/+/d22a0616e6..a507c0434d

Changed dependencies:
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/bcda576e32..b52a0eefc6
DEPS diff: https://chromium.googlesource.com/chromium/src/+/d22a0616e6..a507c0434d/DEPS

No update to Clang.

TBR=buildbot@webrtc.org,
BUG=None
CQ_INCLUDE_TRYBOTS=master.internal.tryserver.corp.webrtc:linux_internal

Change-Id: I0c8ce2bf96baa56f2614f91aa689991cd1ec27a5
Reviewed-on: https://webrtc-review.googlesource.com/17822
Commit-Queue: WebRTC Buildbot <buildbot@webrtc.org>
Reviewed-by: WebRTC Buildbot <buildbot@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20527}
diff --git a/DEPS b/DEPS
index c85d7e2..fd36982 100644
--- a/DEPS
+++ b/DEPS
@@ -7,7 +7,7 @@
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
   'webrtc_git': 'https://webrtc.googlesource.com',
-  'chromium_revision': 'd22a0616e628fe5e88618b288a98844b6891671c',
+  'chromium_revision': 'a507c0434dff8f56698202494ffa46a3d434971a',
   'boringssl_git': 'https://boringssl.googlesource.com',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
@@ -56,7 +56,7 @@
   'src/testing':
     Var('chromium_git') + '/chromium/src/testing' + '@' + 'ba52e2f4c465d3ab853041f6e0b92511c332580e',
   'src/third_party':
-    Var('chromium_git') + '/chromium/src/third_party' + '@' + 'bcda576e320366fef5d5ce208882e50d24e67c5e',
+    Var('chromium_git') + '/chromium/src/third_party' + '@' + 'b52a0eefc6b8b810e5505daf24b02022a1a784c7',
   'src/third_party/android_tools': {
     'url': Var('chromium_git') + '/android_tools.git' + '@' + 'ca0bd083872ad925881736fe2bedc3ff855e08f5',
     'condition': 'checkout_android',