Roll chromium_revision 4e76e79..a08e761 (334321:334571)

Relevant changes:
* src/tools/gyp: fdc7b81..127b311
Details: https://chromium.googlesource.com/chromium/src/+/4e76e79..a08e761/DEPS

Clang version was not updated in this roll.

BUG=

Review URL: https://codereview.webrtc.org/1175413005

Cr-Commit-Position: refs/heads/master@{#9449}
diff --git a/DEPS b/DEPS
index b2c873c..f5a3fc7 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '4e76e7926ee51bdfdd635437920f455ae6444912',
+  'chromium_revision': 'a08e761a4a4f5c863682a39e234b4ca3af170159',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than