All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=862272

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=187952250a24df113f3b2057c5173d8b7c3c54e25405b42d21999a41a5a41cdb


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

health-plan-webview-low-end-phone
health-plan-webview-phone
perf-go-webview-phone
perf-monochrome-n-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8941367906132359808

=== Auto-CCing suspected CL author enne@chromium.org ===

Hi enne@chromium.org, 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 : Adrienne Walker
  Commit : d82c4fabc5cc6cbe6b475186ed9fa0216980e533
  Date   : Fri Jun 29 22:55:43 2018
  Subject: Turn on OOP Raster on android bots

Bisect Details
  Configuration: webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_media/browse_media_imgur
  Change       : 308.17% | 32739321.3333 -> 133631294.667

Revision                                       Result                   N
android-chrome@6e5ba20887                      32739321 +- 786005       6      good
android-chrome@23ce5c27b6                      32854847 +- 547247       6      good
android-chrome@23ce5c27b6,chromium@571692      32844665 +- 446579       6      good
android-chrome@23ce5c27b6,chromium@571693      33022293 +- 340328       6      good
android-chrome@23ce5c27b6,chromium@571694      134056271 +- 318438      6      bad       <--
android-chrome@23ce5c27b6,chromium@571698      134096523 +- 650978      6      bad
android-chrome@24cae43d5e                      133981893 +- 678824      6      bad
android-chrome@cd28519e8e                      133631295 +- 894173      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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.media.imgur 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/8941367906132359808


For feedback, file a bug with component Speed>Bisection