All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776769

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1d4a8b093e6167c6333fc8c2823e0fda3dfaafcd1759698af232a2d7441785c5


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965206135654931040

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

Suspected Commit
  Author : Yi Gu
  Commit : bf1ce6b9e9cffee8a73f4cf3bc8658d0de2e7924
  Date   : Thu Oct 19 16:26:20 2017
  Subject: Remove the feature SkipCompositingSmallScrollers

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : rasterize_and_record_micro.top_25
  Metric       : record_time/file___static_top_25_google.html
  Change       : 44.22% | 0.297 -> 0.428333333333

Revision             Result                      N
chromium@510076      0.297 +- 0.00374166         6      good
chromium@510096      0.295333 +- 0.00305505      6      good
chromium@510101      0.292833 +- 0.00168325      6      good
chromium@510102      0.426333 +- 0.00912871      6      bad       <--
chromium@510103      0.4285 +- 0.00234521        6      bad
chromium@510104      0.427333 +- 0.00783156      6      bad
chromium@510106      0.427 +- 0.006              6      bad
chromium@510116      0.428333 +- 0.00503322      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=file...static.top.25.google.html rasterize_and_record_micro.top_25

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965206135654931040


For feedback, file a bug with component Speed>Bisection