All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727625

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-ueU5AkM


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978177633238083920

=== Auto-CCing suspected CL author fsamuel@chromium.org ===

Hi fsamuel@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : fsamuel
  Commit : d71466ad118aca05aa347c9766f80a5f77528588
  Date   : Thu May 25 20:35:22 2017
  Subject: cc::SurfaceDependencyTracker should not crash when a Display goes away

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : media.android.tough_video_cases_tbmv2
  Metric       : cpu_time_percentage_avg/video.html?src_tulip2.ogg_type_audio
  Change       : 4.30% | 0.232138024131 -> 0.241169562858

Revision             Result                      N
chromium@474769      0.232138 +- 0.0148999       9      good
chromium@474777      0.234495 +- 0.0118076       9      good
chromium@474781      0.233706 +- 0.00584777      6      good
chromium@474782      0.23329 +- 0.0100505        6      good
chromium@474783      0.242103 +- 0.00813427      6      bad       <--
chromium@474784      0.241642 +- 0.0162489       9      bad
chromium@474798      0.240417 +- 0.00555076      6      bad
chromium@474827      0.241869 +- 0.00568495      6      bad
chromium@474884      0.24117 +- 0.00848798       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.ogg.type.audio media.android.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978177633238083920

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5627096514166784


| 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 Speed>Bisection.  Thank you!

 Issue 727502  has been merged into this issue.

 Issue 727764  has been merged into this issue.

As of this CL, this should now be fixed: https://codereview.chromium.org/2887453002/

Does this need a merge?

it looks like the original commit was included in the M60 branch, so a merge sounds like the right move.

Please tag with appropriate OSs.  Thanks.

Your change meets the bar and is auto-approved for M60. Please go ahead and merge the CL to branch 3112 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), josafat@(ChromeOS), bustamante@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot