All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=790977

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=78263a0791ee4471197e484aca1f66586346571a3d3bc51e7aca9d86bf3dd383


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8961415283423616864

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

Suspected Commit
  Author : Michael Lippautz
  Commit : 667555c6b8dadcfe4e592fe06bb6846468b8141e
  Date   : Thu Nov 09 17:29:11 2017
  Subject: [heap] Remove independent handles

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/browse_news/browse_news_cnn
  Change       : 4.11% | 27631344.0 -> 28766504.4444

Revision                           Result                   N
chromium@515358                    27631344 +- 3079042      14      good
chromium@515447                    27702942 +- 2310358      14      good
chromium@515453                    27704324 +- 1963975      9       good
chromium@515456                    27754356 +- 1398533      9       good
chromium@515457                    27619957 +- 1186149      6       good
chromium@515457,v8@667555c6b8      29031712 +- 1602148      6       bad       <--
chromium@515457,v8@62a720354c      28618692 +- 1196170      9       bad
chromium@515457,v8@02c84d4192      29184015 +- 823324       6       bad
chromium@515458                    28873624 +- 1196102      6       bad
chromium@515459                    28875317 +- 1075901      6       bad
chromium@515470                    28610903 +- 1993312      14      bad
chromium@515492                    28591194 +- 1516754      9       bad
chromium@515536                    28766504 +- 1907461      9       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=browse.news.cnn 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/8961415283423616864


For feedback, file a bug with component Speed>Bisection