All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=745897

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6b4a3182fb03255520a9566b0da681b3aa978899ca54ed1368adb54fd6ac9b40


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973706552805667840

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

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_os:system_memory:native_heap:private_dirty_size_avg/video.html?src_tulip2.vp9.webm_seek

Revision             Result                   N
chromium@485695      22421573 +- 3019203      21      good
chromium@485814      22395230 +- 748695       21      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.tulip2.vp9.webm.seek 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/8973706552805667840


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972966613584895008

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

Suspected Commit
  Author : Sidney San Martín
  Commit : a20a025fb10592190b5b3bc90fd627c45c76676a
  Date   : Tue Jul 11 18:39:06 2017
  Subject: Enable ShouldUseFullSizeContentView().

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:browser_process:reported_by_chrome:malloc:allocated_objects_size_avg/video.html?src_tulip2.wav_type_audio

Revision             Result                  N
chromium@485680      80784851 +- 312444      6      good
chromium@485681      80835587 +- 366999      6      good
chromium@485682      81409997 +- 655486      6      bad       <--
chromium@485684      81312384 +- 363545      6      bad
chromium@485687      81288517 +- 315287      6      bad
chromium@485693      81274528 +- 482222      6      bad
chromium@485705      81380437 +- 354207      6      bad
chromium@485729      81319352 +- 406505      6      bad
chromium@485777      81375168 +- 507852      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.tulip2.wav.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/8972966613584895008


For feedback, file a bug with component Speed>Bisection