All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=871405

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=34bd8d40fffe5ffaa9fa25417cc20d2f922b45b111a9e2a3cc18db4e7ebe7749


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

Android Nexus6 WebView Perf

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/13b50d84640000

📍 Found significant differences after each of 3 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/13b50d84640000

Add field to SSLConfig to allow H2 connection coalescing with client certificates by nharper@chromium.org
https://chromium.googlesource.com/chromium/src/+/89bc721d488add3b806c6bcc5c05b00fcad22451
640 → 655.4 (+15.4)

Enable use-zoom-for-dsf on Android on M70 by eirage@chromium.org
https://chromium.googlesource.com/chromium/src/+/d0b8bbd2dbf9c06dcbbd01a4b1285cf7a1bc2ba0
640.3 → 706 (+65.7)

Unescape all escaped characters in externalfile: URL. by yamaguchi@chromium.org
https://chromium.googlesource.com/chromium/src/+/37ec335ea923b4004d10593f13ce009c96850607
706 → 718.9 (+12.9)

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

I haven't looked into details yet, but I think this is more relevant to d0b8bbd2 based on the figures in #3.