All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=743159

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7d2f050bc5b62598fd7e383fd2a43d6b2d5945816a56470dbab8ee82e97464dc


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974064021785823968

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


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_garden2_10s.webm


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.garden2.10s.webm 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/8974064021785823968


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974060211978385264

=== 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_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_garden2_10s.webm

Revision             Result                   N
chromium@485623      21610683 +- 1707199      6      good
chromium@485659      22050440 +- 275179       6      good
chromium@485677      22024499 +- 372140       6      good
chromium@485680      22029933 +- 285106       6      good
chromium@485681      21913037 +- 255181       6      good
chromium@485682      22460805 +- 372897       6      bad       <--
chromium@485686      22539941 +- 462477       6      bad
chromium@485695      22427496 +- 280592       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.garden2.10s.webm 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/8974060211978385264


For feedback, file a bug with component Speed>Bisection