All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=740119

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5ec81f5df75dcc422f791ed78491f24cee317de671fdfb9c8e83abfbb813b1e0


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974716723638275600

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

Suspected Commit
  Author : Fady Samuel
  Commit : 28c5a8185d81adc5252e7280d5d0b652d998018f
  Date   : Thu Jul 06 00:10:04 2017
  Subject: Decouple cc::Surface from cc::CompositorFrameSinkSupport.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:cc:effective_size_avg/browse_tools/browse_tools_maps
  Change       : 62.38% | 110184214.667 -> 178912948.667

Revision             Result                    N
chromium@484247      110184215 +- 344322       6      good
chromium@484343      109781052 +- 1147774      6      good
chromium@484367      109638355 +- 977046       6      good
chromium@484373      109719651 +- 1067337      6      good
chromium@484376      109588461 +- 1145967      6      good
chromium@484377      178197593 +- 5203160      6      bad       <--
chromium@484378      177426180 +- 3897874      6      bad
chromium@484379      178828377 +- 4133321      6      bad
chromium@484391      178573059 +- 2486850      6      bad
chromium@484439      178912949 +- 5280224      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.tools.maps 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/8974716723638275600


For feedback, file a bug with component Speed>Bisection