All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=773033

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7ded89c1f9948552d398c9ca7520a9c23b0e1c7214ad0d308fa723c2155d7f06


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

android-nexus7v2
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966181719003695824

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

Suspected Commit
  Author : David Bokan
  Commit : 771bc4ee1d609083dd81daa0ee78229b49dfa270
  Date   : Thu Oct 05 18:39:46 2017
  Subject: Use viewport coords in gpuBenchmarking gestures

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/https___mail.google.com_mail_
  Change       : 74.59% | 17.5685303034 -> 30.6735763873

Revision             Result                   N
chromium@506783      17.5685 +- 2.43967       21      good
chromium@506801      17.4734 +- 1.61179       14      good
chromium@506803      17.3354 +- 0.885131      9       good
chromium@506804      29.9274 +- 44.6493       14      bad       <--
chromium@506805      35.2705 +- 29.4406       9       bad
chromium@506810      32.8715 +- 37.848        14      bad
chromium@506819      36.9858 +- 29.7509       9       bad
chromium@506854      30.6736 +- 52.6032       21      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=https...mail.google.com.mail. smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966181719003695824


For feedback, file a bug with component Speed>Bisection