All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=642970

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgoY3duwkM


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9002770051868732256

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


===== SUSPECTED CL(s) =====
Subject : Remove is_ios conditions from chrome GN build files.
Author  : brettw
Commit description:
  
The //chrome directory is no longer used by the iOS build so these conditionals
are all dead build code.

Review-Url: https://codereview.chromium.org/2282573002
Cr-Commit-Position: refs/heads/master@{#414838}
Commit  : ae8ec0cd30f3dfc584bda5699f4e178e757b8990
Date    : Fri Aug 26 22:43:10 2016


===== TESTED REVISIONS =====
Revision         Mean  Std Dev  N  Good?
chromium@414803  13.5  4.24264  8  good
chromium@414829  16.0  0.0      5  good
chromium@414836  19.0  5.55492  8  good
chromium@414837  17.5  4.24264  8  good
chromium@414838  20.0  0.0      5  bad    <--
chromium@414839  22.4  5.36656  5  bad
chromium@414842  20.0  0.0      5  bad
chromium@414854  21.5  4.24264  8  bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 642970

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests media.android.tough_video_cases
Test Metric: vm_shared_dirty_delta/crowd.wav_renderer
Relative Change: 55.56%
Score: 0.0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/3279
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002770051868732256


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  https://chromeperf.appspot.com/bad_bisect?try_job_id=5789813687451648

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I think this is just noisy.