All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755298

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0dd03763ef226ae69f70c188d74085187b5b512b2d2d60a897f338275f1fc1ab


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

android-nexus5X
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971252599695554880

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

Suspected Commit
  Author : Khushal
  Commit : 1b8abc019a5b476d503bff7405120c44036799eb
  Date   : Thu Aug 10 05:16:17 2017
  Subject: cc/blink: Replace SkImageGenerator with PaintImageGenerator.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/load_games/load_games_bubbles
  Change       : 67.19% | 150602769.333 -> 251797350.667

Revision             Result                     N
chromium@493150      150602769 +- 1521253       6      good
chromium@493208      157925905 +- 2333040       6      good
chromium@493237      158655164 +- 1565064       6      good
chromium@493244      158670012 +- 1589423       6      good
chromium@493248      160411153 +- 9102328       6      good
chromium@493250      159253351 +- 2558601       6      good
chromium@493251      249839804 +- 26008801      6      bad       <--
chromium@493265      251797351 +- 26726877      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=load.games.bubbles system_health.memory_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971252599695554880


For feedback, file a bug with component Speed>Bisection