All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718863

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgirL7oAoM


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980427284656299408

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980427277388145936

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

Hi chaopeng@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 : chaopeng
  Commit : b14926c905396fbeb0a77bfc6cce569c8a35fa5f
  Date   : Thu May 04 19:36:19 2017
  Subject: Fade out overlay scrollbar after page load

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___mlb.com_
  Change       : 178.83% | 8.37166666667 -> 23.8998888889

Revision             Result                  N
chromium@469374      8.37167 +- 1.20153      6       good
chromium@469408      8.141 +- 1.74326        9       good
chromium@469417      8.36557 +- 5.33199      14      good
chromium@469422      16.9888 +- 100.553      21      good
chromium@469424      10.622 +- 17.6972       9       good
chromium@469425      23.1437 +- 2.75101      6       bad       <--
chromium@469426      21.3899 +- 21.473       14      bad
chromium@469444      23.8999 +- 4.14774      9       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...mlb.com. smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980427277388145936

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5338497218510848


| 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 with culprit

Suspected Commit
  Author : chaopeng
  Commit : b14926c905396fbeb0a77bfc6cce569c8a35fa5f
  Date   : Thu May 04 19:36:19 2017
  Subject: Fade out overlay scrollbar after page load

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___mlb.com_
  Change       : 169.23% | 9.64516666667 -> 25.9675

Revision             Result                  N
chromium@469374      9.64517 +- 3.94296      6      good
chromium@469408      8.31917 +- 2.85875      6      good
chromium@469417      9.45783 +- 4.37727      6      good
chromium@469422      9.15017 +- 2.06947      6      good
chromium@469424      11.956 +- 18.6792       9      good
chromium@469425      23.4762 +- 2.31746      9      bad       <--
chromium@469426      25.0888 +- 3.60304      6      bad
chromium@469444      25.9675 +- 7.78954      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...mlb.com. smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980427284656299408

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6350758783483904


| 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!

Revert patch landed.