All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=842775

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5d1fbe61e4452dad7372c2aef10503033eb3e242e29d3370e195a2fa75042c5c


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

health-plan-webview-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8946531483703223552

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

Suspected Commit
  Author : jgruber
  Commit : e0c3f6d6ca005185e537fb85bbe841fe5dae5240
  Date   : Tue May 08 11:21:37 2018
  Subject: Disable embedded builtins

Bisect Details
  Configuration: webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/load_news/load_news_qq
  Change       : 1.39% | 20595401.3333 -> 20880756.0

Revision                                                     Result                   N
android-chrome@be902aa047                                    20595401 +- 72675.1      9      good
android-chrome@be902aa047,chromium@556849                    20581179 +- 109505       9      good
android-chrome@be902aa047,chromium@556890                    20646260 +- 123834       9      good
android-chrome@be902aa047,chromium@556893                    20583455 +- 168956       6      good
android-chrome@be902aa047,chromium@556894                    20632607 +- 102500       6      good
android-chrome@be902aa047,chromium@556894,v8@855850eb7f      20556262 +- 152431       9      good
android-chrome@be902aa047,chromium@556894,v8@e0c3f6d6ca      20967796 +- 107854       6      bad       <--
android-chrome@be902aa047,chromium@556894,v8@c34562803e      20976500 +- 101775       6      bad
android-chrome@be902aa047,chromium@556894,v8@9f5018c9b0      20877456 +- 188174       9      bad
android-chrome@be902aa047,chromium@556894,v8@61af2762ef      20973257 +- 124279       6      bad
android-chrome@be902aa047,chromium@556895                    21062345 +- 67685.3      6      bad
android-chrome@be902aa047,chromium@556901                    20938953 +- 78728.0      6      bad
android-chrome@be902aa047,chromium@556911                    20968649 +- 133278       6      bad
android-chrome@1390428f76                                    20856635 +- 118392       9      bad
android-chrome@41db54dacb                                    20880756 +- 156014       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=load.news.qq 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/8946531483703223552


For feedback, file a bug with component Speed>Bisection