All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=862258

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9d2d7823957b742d648d19107fe9a05ee2d367a1d3a0e466b1c4af24f2e83370


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

health-plan-clankium-phone
perf-go-webview-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8941368540687561376

=== 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: clankium-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/browse_media/browse_media_imgur
  Change       : 190.05% | 49834998.6667 -> 144546553.333

Revision                                       Result                   N
android-chrome@e1215825f7                      49834999 +- 503893       6      good
android-chrome@23ce5c27b6                      50198772 +- 496576       6      good
android-chrome@23ce5c27b6,chromium@571692      49936369 +- 718494       6      good
android-chrome@23ce5c27b6,chromium@571693      50243569 +- 857694       6      good
android-chrome@23ce5c27b6,chromium@571694      144435439 +- 397508      6      bad       <--
android-chrome@23ce5c27b6,chromium@571698      144689391 +- 304604      6      bad
android-chrome@24cae43d5e                      144308809 +- 568088      6      bad
android-chrome@cd28519e8e                      144546553 +- 573993      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-chrome --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/8941368540687561376


For feedback, file a bug with component Speed>Bisection