Roll chromium_revision 7720633b71..4b07207284 (463923:463938)

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index e4742832a91991909aa2ed1d749f14486f470837..fe038c0fcfc066fb482c818fc451d4d3fce7677f 100644
--- a/DEPS
+++ b/DEPS
@@ -2,7 +2,7 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '7720633b71d3f5d8d3c912b93d2466a0b2972c24',
+  'chromium_revision': '4b0720728483b544dad1aa6a0060ea01cd5519e3',
   'boringssl_git': 'https://boringssl.googlesource.com',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
@@ -40,13 +40,13 @@ deps = {
   'src/buildtools':
     Var('chromium_git') + '/chromium/buildtools.git' + '@' + 'd3074448541662f242bcee623049c13a231b5648',
   'src/testing':
-    Var('chromium_git') + '/chromium/src/testing' + '@' + 'f88779f4cf12e8df54520dc43a8dad3a218c9fe4',
+    Var('chromium_git') + '/chromium/src/testing' + '@' + '4ee08a6054a5b474babdf4be4e150383e5ce484c',
   'src/testing/gtest':
     Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + '6f8a66431cb592dad629028a50b3dd418a408c87',
   'src/testing/gmock':
     Var('chromium_git') + '/external/googlemock.git' + '@' + '0421b6f358139f02e102c9c332ce19a33faf75be', # from svn revision 566
   'src/third_party':
-    Var('chromium_git') + '/chromium/src/third_party' + '@' + '1b49094ab801b0e11bff14d9f955e33f83e916c7',
+    Var('chromium_git') + '/chromium/src/third_party' + '@' + '2a5f1b155bab80928cb3eda4df314c0729757399',
   'src/third_party/boringssl/src':
    Var('boringssl_git') + '/boringssl.git' + '@' +  Var('boringssl_revision'),
   'src/third_party/catapult':