Roll chromium_revision 4598ddc..fa2f634 (358535:358544)

Change log: https://chromium.googlesource.com/chromium/src/+log/4598ddc..fa2f634
Full diff: https://chromium.googlesource.com/chromium/src/+/4598ddc..fa2f634

No dependencies changed.
No update to Clang.

TBR=
CQ_EXTRA_TRYBOTS=tryserver.webrtc:win_baremetal,mac_baremetal,linux_baremetal

Review URL: https://codereview.webrtc.org/1425933006

Cr-Commit-Position: refs/heads/master@{#10553}
diff --git a/DEPS b/DEPS
index 4462adc..1d5559a 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': '4598ddcef9994c9c400624bba1718a23a14cd775',
+  'chromium_revision': 'fa2f63425841848544d85b65c249f69ad35b62f9',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than