All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=762204

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=32eb85ebe6374e83116016bc80b9d39455a3db023fd2531b1b314a1b51eff973


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

android-nexus5
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969256550192514528

=== Auto-CCing suspected CL author herb@google.com ===

Hi herb@google.com, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Herb Derby
  Commit : 56ffafee4454759ffcd1b2fea04ce44300624c93
  Date   : Thu Aug 31 17:48:42 2017
  Subject: Use interpolating blur for sigma < 2

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/css_value_type_shadow.html?api_css_animations_N_0316
  Change       : 11.54% | 225.84325195 -> 251.897695732

Revision                             Result                  N
chromium@499216                      225.843 +- 4.22931      6      good
chromium@499243                      228.109 +- 3.28572      6      good
chromium@499256                      222.056 +- 17.3853      6      good
chromium@499260                      226.101 +- 5.37379      6      good
chromium@499261                      226.314 +- 2.70142      6      good
chromium@499261,skia@e3d1e5d768      224.456 +- 3.0182       6      good
chromium@499261,skia@56ffafee44      253.524 +- 6.91401      6      bad       <--
chromium@499261,skia@5d303ed44b      251.583 +- 2.91559      6      bad
chromium@499261,skia@d5a3f7f967      251.411 +- 5.60099      6      bad
chromium@499261,skia@07f5b71f99      251.387 +- 6.98731      6      bad
chromium@499261,skia@9fe13cd710      250.641 +- 3.63636      6      bad
chromium@499262                      255.423 +- 2.30234      6      bad
chromium@499263                      252.973 +- 5.49428      6      bad
chromium@499269                      251.898 +- 5.87756      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=css.value.type.shadow.html.api.css.animations.N.0316 smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969256550192514528


For feedback, file a bug with component Speed>Bisection

 Issue 762203  has been merged into this issue.