All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=860756

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a347c5e425307a48679aa86e644ccfc440f39cd85c7ac8e8429ede7131d16cb0


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

perf-go-phone-1024
perf-go-phone-512

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8941730426796099024

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

Suspected Commit
  Author : Khushal
  Commit : db2d4ad73d521275dd1c97a7ebc8effce024f948
  Date   : Tue Jul 03 22:36:27 2018
  Subject: gpu: Share GrContext between RasterDecoders for OOP raster.

Bisect Details
  Configuration: go-phone-1024-perf-bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:private_footprint_size_avg/background/after_https_m_facebook_com_rihanna
  Change       : 11.13% | 38300330.6667 -> 42564266.6667

Revision                                       Result                  N
android-chrome@99480dfb2c                      38300331 +- 488333      6      good
android-chrome@878f534e9f                      37864107 +- 315338      6      good
android-chrome@878f534e9f,chromium@572347      38050475 +- 259838      6      good
android-chrome@878f534e9f,chromium@572376      37790379 +- 390075      6      good
android-chrome@878f534e9f,chromium@572377      43032576 +- 246101      6      bad       <--
android-chrome@878f534e9f,chromium@572378      43261952 +- 175144      6      bad
android-chrome@878f534e9f,chromium@572380      43116544 +- 327688      6      bad
android-chrome@878f534e9f,chromium@572383      42725376 +- 218743      6      bad
android-chrome@878f534e9f,chromium@572390      43029163 +- 359370      6      bad
android-chrome@4d11ebe3cf                      43032576 +- 281226      6      bad
android-chrome@22df6667c5                      42564267 +- 221164      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=https.m.facebook.com.rihanna memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8941730426796099024


For feedback, file a bug with component Speed>Bisection