All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=734580

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtpeI2woM


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976348125595533056

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976348077406304640

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

Suspected Commit
  Author : pdr
  Commit : 4c99eb040348ae35f9736fc11c7279fa95d1d9ee
  Date   : Mon Jun 12 19:52:29 2017
  Subject: Ensure LayerTreeHost::ApplyViewportDeltas applies inner viewport scroll delta

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_total_fast_path_cpu_time_per_frame/http___www.boingboing.net
  Change       : 9.37% | 12.4873058185 -> 13.6579681751

Revision             Result                   N
chromium@478669      12.4873 +- 1.78863       9       good
chromium@478700      12.4307 +- 1.25241       9       good
chromium@478715      12.7178 +- 2.99924       14      good
chromium@478723      12.8124 +- 1.86358       9       good
chromium@478724      12.369 +- 1.2721         6       good
chromium@478725      13.9182 +- 0.78332       9       bad       <--
chromium@478727      13.8375 +- 0.515262      9       bad
chromium@478730      13.7223 +- 0.761627      9       bad
chromium@478791      13.658 +- 1.17343        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=http...www.boingboing.net thread_times.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976348077406304640

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5867426257829888


| 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!

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_total_fast_path_cpu_time_per_frame/thread_total_fast_path_cpu_time_per_frame
  Change       : 2.73% | 11.6807522104 -> 11.8982334059

Suspected Commit Range
  5 commits in range
  https://chromium.googlesource.com/chromium/src/+log/372a642ec7fdce244198bdc9bdfa9d635383afb7..73a5c4c765070f73a26c33eb489fca61322c6643


Revision             Result                   N
chromium@478669      11.6808 +- 0.591119      14       good
chromium@478687      11.7567 +- 0.852611      21       good
chromium@478693      11.6712 +- 0.824801      14       good
chromium@478696      11.7078 +- 0.603086      14       good
chromium@478697      ---                      ---      build failure
chromium@478698      ---                      ---      build failure
chromium@478699      ---                      ---      build failure
chromium@478700      ---                      ---      build failure
chromium@478701      11.9331 +- 1.24666       21       bad
chromium@478730      11.8704 +- 1.18375       21       bad
chromium@478791      11.8982 +- 0.741218      14       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 thread_times.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976348125595533056

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5785696872169472


| 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!