All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=622330

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgwpHQsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgwpXsuwoM


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

chromium-rel-mac-hdd

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

Hi erikchen@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [Reland 1] Reenable WebGL Image Chromium.
Author  : erikchen
Commit description:
  
The feature was disabled because of two bugs. Both have since been fixed.

BUG= 617249 ,  581777 
TBR=piman@chromium.org, kbr@chromium.org

Review-Url: https://codereview.chromium.org/2085573002
Cr-Commit-Position: refs/heads/master@{#400709}
Commit  : f5c146230498ed8e7c5b24d2361c0551415e368d
Date    : Mon Jun 20 17:30:49 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N  Good?
chromium@400672  22.888   2.72897   6  good
chromium@400691  23.948   3.75827   5  good
chromium@400700  24.9554  2.57296   5  good
chromium@400705  21.4924  2.01922   5  good
chromium@400707  23.606   2.64571   5  good
chromium@400708  22.613   2.50084   5  good
chromium@400709  32.8734  0.193424  5  bad    <--

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 622330

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.tough_webgl_cases
Test Metric: mean_frame_time/http___webglsamples.org_aquarium_aquarium.html
Relative Change: 51.77%
Score: 99.8

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/594
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9009142322003141440


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5848598974038016

| 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 Tests>AutoBisect.  Thank you!