All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=652842

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1e-KoQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1e-K4QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1eqfogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1YnztQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1buzrwoM


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

chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999698379534428672

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


===== SUSPECTED CL(s) =====
Subject : Prune CreateVisiblePositionDeprecated from VisibleSelection::visibleBase/Extent
Author  : xiaochengh
Commit description:
  
Caller of these two functions have already ensured clean layout, so this
patch safely prunes CreateVisiblePositionDeprecated from them.

BUG= 647219 

Review-Url: https://codereview.chromium.org/2362183002
Cr-Commit-Position: refs/heads/master@{#420866}
Commit  : 0db24bb3a3073a9296b05d5bfc592727db2f94c4
Date    : Mon Sep 26 02:12:59 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N  Good?
chromium@420865  12.8131  1.09619   8  good
chromium@420866  16.6513  4.76701   8  bad    <--
chromium@420867  16.0531  2.14098   8  bad
chromium@420868  16.1513  0.857129  8  bad
chromium@420871  16.179   0.771325  5  bad

Bisect job ran on: win_perf_bisect
Bug ID: 652842

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests media.tough_video_cases_extra
Test Metric: seek/tulip2.ogv_seek_cold
Relative Change: 24.62%
Score: 99.5

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_perf_bisect/builds/6970
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999698379534428672


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5850365117857792

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