All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=610679

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgtLeeoAoM


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

chromium-rel-mac-retina

=== Auto-CCing suspected CL author sigbjornf@opera.com ===

Hi sigbjornf@opera.com, 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 : Eagerly remove disposed DOMTimers as observers.
Author  : sigbjornf
Commit description:
  
Once the coordinator lets go of a timer, no need to keep it
around as an observer of the ExecutionContext.

R=
BUG=

Review-Url: https://codereview.chromium.org/1959013002
Cr-Commit-Position: refs/heads/master@{#392309}
Commit  : 0a297738301705d02f57968334bd6f7c7dc95f4c
Date    : Mon May 09 14:23:37 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N  Good?
chromium@392304  13.7142  0.29126   5  good
chromium@392307  13.7034  0.291422  8  good
chromium@392308  13.7916  0.187465  5  good
chromium@392309  14.6579  0.26429   8  bad    <--
chromium@392310  14.6864  0.194991  5  bad
chromium@392316  14.726   0.264723  5  bad
chromium@392328  14.7894  0.199008  5  bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 610679

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.top_25_smooth
Test Metric: mean_input_event_latency/Docs  (1 open document tab)
Relative Change: 7.84%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1291
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9013048257704219232


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5809879948722176

| 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!

Thanks, that CL was generally broken and reverted in r392901.