All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=747882

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6e63af28ca952cfd949bae0a412f1a77f6e501deea7d4107d5f43460d38eb37f


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973192048493435200

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

Suspected Commit
  Author : Ken Rockot
  Commit : 474df01407e5d38c85364ae4d1709b8d9af16f16
  Date   : Wed Jul 12 13:28:56 2017
  Subject: Mojo C++ Bindings: Lazy Serialization

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/foreground/https_m_facebook_com_rihanna
  Change       : 0.62% | 20323397.8571 -> 20449815.8571

Revision             Result                  N
chromium@485930      20323398 +- 570916      21      good
chromium@485933      20296492 +- 418261      9       good
chromium@485934      20269001 +- 454872      9       good
chromium@485935      20498915 +- 233512      9       bad       <--
chromium@485939      20437392 +- 433384      14      bad
chromium@485948      20458090 +- 190692      9       bad
chromium@485964      20453371 +- 443428      14      bad
chromium@485998      20449816 +- 507438      14      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 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/8973192048493435200


For feedback, file a bug with component Speed>Bisection