All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=745930

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=190bb08b0ec0596287dccddd8378289e911aa8ae59990784b8e5031822777dcb


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

chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973705580070538768

=== 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: win_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/video.html?src_crowd.ogg_type_audio
  Change       : 1.02% | 13948365.1667 -> 14090576.1667

Revision             Result                   N
chromium@485899      13948365 +- 31552.6      6      good
chromium@485924      13986665 +- 45461.6      6      good
chromium@485931      13978207 +- 59647.3      6      good
chromium@485934      13958956 +- 55018.0      6      good
chromium@485935      14119402 +- 53034.3      6      bad       <--
chromium@485936      14109218 +- 60154.8      6      bad
chromium@485937      14119673 +- 51649.9      6      bad
chromium@485949      14090576 +- 49571.3      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.crowd.ogg.type.audio media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973705580070538768


For feedback, file a bug with component Speed>Bisection