All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797381

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=544cd4b90151a033241565e35b9b0cac963bc0c6fe7f084075ba347bb5004486


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8959471850427943760

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

Suspected Commit
  Author : Fadi Meawad
  Commit : 99a51fcacaad639093357727542fb1ef7c376a25
  Date   : Thu Dec 21 02:10:15 2017
  Subject: [PageLifecyle] Move the launch process state to Webkit/common

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : smoothness.image_decoding_cases
  Metric       : frame_times/yuv_decoding.html
  Change       : 3269.93% | 25.7384156415 -> 867.366658333

Revision             Result                  N
chromium@525531      25.7384 +- 1.09348      6      good
chromium@525559      26.0239 +- 1.49082      6      good
chromium@525561      26.1591 +- 2.66265      6      good
chromium@525562      25.4798 +- 1.14417      6      good
chromium@525563      802.439 +- 5.57156      6      bad       <--
chromium@525566      833.915 +- 175.69       6      bad
chromium@525573      834.648 +- 182.863      6      bad
chromium@525587      867.367 +- 230.738      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=yuv.decoding.html smoothness.image_decoding_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959471850427943760


For feedback, file a bug with component Speed>Bisection