All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=883740

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=aabef21cab56809eaa1c6cc653785fd884064bf432a4e8f516895e26b3a0ea91


Bot(s) for this bug's original alert(s):

Android Nexus6 WebView Perf

rendering.mobile - Benchmark documentation link:
  https://bit.ly/rendering-benchmarks

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/15d332ad640000

📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/15d332ad640000

Surface Synchronization: Enable by default on Android by ericrk@chromium.org
https://chromium.googlesource.com/chromium/src/+/5479bee2ba20c0527e19137d8056b539d30125d1
8.281 → No values

Disable Surface Synchronization on Webview by nednguyen@google.com
https://chromium.googlesource.com/chromium/src/+/a91df97e284e497ecf1222b4ada5af66306718a5
No values → 11.53

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Benchmark documentation link:
  https://bit.ly/rendering-benchmarks

THat CL was necessary for making the benchmark working again

 Issue 883767  has been merged into this issue.

 Issue 883769  has been merged into this issue.

 Issue 883787  has been merged into this issue.