All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=650009

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghbOu9QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxdOJrAoM


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

chromium-rel-mac10
chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000579153321000144

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


===== SUSPECTED CL(s) =====
Subject : Merge all Field Trial Testing Configuration Together
Author  : robliao
Commit description:
  
This change brings together many of the separate platform specific
Field Trial Testing configurations together, reducing duplication.

BUG=637095
TEST=Manually Compare Old and New Resulting C++ files

* - ["android", "chromeos", "ios", "linux", "mac", "win"]

fieldtrial_to_struct_master.py \
    fieldtrial_testing_config_*.json \
    --namespace=chrome_variations \
    --schema=fieldtrial_testing_config_schema.json \
    --output=old/fieldtrial_testing_config_*

fieldtrial_to_struct.py \
    fieldtrial_testing_config.json \
    --namespace=chrome_variations \
    --schema=fieldtrial_testing_config_schema.json \
    --platform=* \
    --output=new/fieldtrial_testing_config_*

diff old/fieldtrial_testing_config_*.[cc|h] \
     new/fieldtrial_testing_config_*.[cc|h]

No material differences.

Review-Url: https://codereview.chromium.org/2296493002
Cr-Commit-Position: refs/heads/master@{#420112}
Commit  : 74ce2fa9c04444812d985ef37ecd377e23e09145
Date    : Wed Sep 21 18:36:33 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev    N  Good?
chromium@420097  41.2945  0.218361   5  good
chromium@420109  41.4631  0.0956315  5  good
chromium@420111  41.4281  0.0610019  5  good
chromium@420112  45.3736  0.258871   5  bad    <--
chromium@420115  45.3607  0.0722128  5  bad
chromium@420120  45.1837  0.184001   5  bad
chromium@420143  45.0893  0.084259   5  bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 650009

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests image_decoding.image_decoding_measurement
Test Metric: ImageDecoding_avg/ImageDecoding_avg
Relative Change: 9.19%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2398
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000579153321000144


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5208542527619072

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