All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=715833

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwvbl7wsM


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

chromium-rel-mac11-air

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981207706922844576

=== 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_air_perf_bisect
  Benchmark    : startup.warm.blank_page
  Metric       : messageloop_start_time/messageloop_start_time
  Change       : 40.38% | 425.166666667 -> 253.5

Revision             Result                  N
chromium@463670      425.167 +- 12.4432      6      good
chromium@463770      422.5 +- 31.297         6      good
chromium@463820      419.5 +- 7.31437        6      good
chromium@463833      418.667 +- 10.0664      6      good
chromium@463839      416.167 +- 8.76546      6      good
chromium@463842      424.333 +- 23.9444      6      good
chromium@463844      414.5 +- 7.03562        6      good
chromium@463845      255.667 +- 5.22813      6      bad       <--
chromium@463870      253.5 +- 3.39116        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=2 --also-run-disabled-tests startup.warm.blank_page

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981207706922844576

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6436877323730944


| 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!