All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783620

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b28aae9e5c55419f9732fc2bb945a448fc77c64dfc10989e2b9fe15b72867580


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

android-nexus5
android-nexus6
android-nexus7v2
android-webview-nexus5X
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963323651703085264

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Caleb Rouleau
  Commit : 5daa21ce99f8f70abe1202689a510d9f03e5a3e1
  Date   : Wed Nov 08 23:25:07 2017
  Subject: Have pages edit grouping keys themselves.

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : loading.mobile
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/hot_Regular-3G/FlipKart
  Change       : 717.93% | 113.224666667 -> 926.104

Revision             Result                  N
chromium@514906      113.225 +- 30.6268      6      good
chromium@514971      114.282 +- 31.6033      6      good
chromium@514988      106.467 +- 30.3061      6      good
chromium@514996      106.74 +- 32.3035       6      good
chromium@514998      118.73 +- 25.879        6      good
chromium@514999      919.269 +- 50.5167      6      bad       <--
chromium@515000      912.672 +- 72.5733      6      bad
chromium@515004      940.733 +- 50.809       6      bad
chromium@515036      926.104 +- 52.0458      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=FlipKart loading.mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963323651703085264


For feedback, file a bug with component Speed>Bisection