All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=715764

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggp27pwkM


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981215801056023824

=== Auto-CCing suspected CL author samans@chromium.org ===

Hi samans@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : samans
  Commit : 2040988b1345e6ce738bd03ab7ccd5f4b73a956b
  Date   : Tue Apr 11 23:58:35 2017
  Subject: Use MojoCompositorFrameSink in RendererCompositorFrameSink

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : startup.cold.blank_page
  Metric       : open_tabs_time/open_tabs_time
  Change       : 53.95% | 316.333333333 -> 145.666666667

Revision             Result                  N
chromium@463741      316.333 +- 71.731       6      good
chromium@463840      292.0 +- 29.7321        6      good
chromium@463844      306.0 +- 35.3836        6      good
chromium@463845      149.167 +- 43.5756      6      bad       <--
chromium@463846      154.167 +- 64.458       6      bad
chromium@463847      156.667 +- 65.4777      6      bad
chromium@463853      145.333 +- 54.7479      6      bad
chromium@463865      149.333 +- 51.2185      6      bad
chromium@463889      160.0 +- 62.7853        6      bad
chromium@463938      145.667 +- 26.4827      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 startup.cold.blank_page

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981215801056023824

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5247488405012480


| 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!