All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=770447

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7111c459845c937a6e9fe47f5b7feee3509500cd8d8a59ee68fb7b9552bdbcc3


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967046904830724048

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

Suspected Commit
  Author : Brian Osman
  Commit : 36dcd7f25d1ffee8571a7d424eb02f60cd474fa7
  Date   : Thu Sep 28 13:06:57 2017
  Subject: Enable caching of path mask textures by default

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_GPU_cpu_time_per_frame/http___jsfiddle.net_xLuvC_1_show_
  Change       : 12.12% | 18.0582364752 -> 20.2477700486

Revision                             Result                   N
chromium@504956                      18.0582 +- 0.498104      6      good
chromium@504995                      17.8085 +- 0.157549      6      good
chromium@505015                      17.9594 +- 0.383322      6      good
chromium@505025                      18.0215 +- 0.693145      6      good
chromium@505030                      17.8241 +- 0.464905      6      good
chromium@505032                      17.8834 +- 0.498065      6      good
chromium@505033                      18.0968 +- 0.871618      6      good
chromium@505033,skia@36dcd7f25d      20.652 +- 1.18395        6      bad       <--
chromium@505034                      20.2478 +- 0.139852      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=http...jsfiddle.net.xLuvC.1.show. thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967046904830724048


For feedback, file a bug with component Speed>Bisection