All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732484

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglurNqQkM


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976968283384697360

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_chrome:malloc:effective_size_avg/video.html?src_tulip2.wav_type_audio_seek

Revision             Result                   N
chromium@477972      10890849 +- 2981381      21      good
chromium@478066      10719639 +- 3427134      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.wav.type.audio.seek media.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976968283384697360

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5709420870238208


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976962812500392512

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_chrome:malloc:effective_size_avg/video.html?src_tulip2.wav_type_audio_seek

Revision             Result                   N
chromium@477972      10907107 +- 2918838      21      good
chromium@478066      10824416 +- 3156151      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.wav.type.audio.seek media.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976962812500392512

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5709420870238208


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976886837404000512

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

Suspected Commit
  Author : Sam McNally
  Commit : cd0c21dfb32b6235c5c4bed740dac090b4e25bae
  Date   : Fri Jun 09 01:31:36 2017
  Subject: Enable PrefService by default.

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_chrome:malloc:effective_size_avg/video.html?src_tulip2.wav_type_audio_seek
  Change       : 2.02% | 10892966.2857 -> 11112993.0714

Revision             Result                   N
chromium@477778      10892966 +- 2144178      14      good
chromium@478044      11023825 +- 1747897      14      good
chromium@478111      10947580 +- 1578623      9       good
chromium@478144      10930492 +- 1502618      9       good
chromium@478153      10976860 +- 1706214      9       good
chromium@478155      10981360 +- 1588724      9       good
chromium@478156      10970458 +- 1973080      9       good
chromium@478157      11263159 +- 1619295      9       bad       <--
chromium@478161      11260159 +- 1603465      9       bad
chromium@478177      11250640 +- 1666285      9       bad
chromium@478309      11112993 +- 2731896      14      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.wav.type.audio.seek media.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976886837404000512

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5910256896442368


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!