All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=640661

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgno7t4QoM


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

android-galaxy-s5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9003428120944842096

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/952
Failure reason: the build has failed due to infrastructure failure.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9003426574326458416

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/952
Failure reason: the build has failed due to infrastructure failure.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9003335654643709984

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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@413194  79768.7  621.02   18  good
chromium@413228  79718.4  385.86   17  bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 640661

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests indexeddb_perf
Test Metric: vm_private_dirty_final_renderer/vm_private_dirty_final_renderer
Relative Change: 0.47%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/953
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9003426574326458416


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5832471766106112

| 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!

perf sheriff fixit: unsetting owners of bugs owned by sheriffs to clarify the sheriffing rotation triages the bugs.

Closing as we do not have S5s to verify this regression.