All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=741719

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f7a6b59e811dac889aaff915228b81825a2dca135653d5fa43683773acdfccb9


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

chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974256651424346000

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

Suspected Commit
  Author : Kevin Bailey
  Commit : 3dc51db95f327e4f86962c94d6d5455ee75cf433
  Date   : Thu Jun 29 14:43:43 2017
  Subject: [omnibox] Select all when we revert all

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : putImageData/putImageData
  Change       : 12.88% | 1068.23060037 -> 930.636600398

Revision             Result                  N
chromium@483326      1068.23 +- 356.814      14      good
chromium@483357      1113.55 +- 60.754       6       good
chromium@483361      1090.63 +- 53.2441      6       good
chromium@483362      909.157 +- 53.2863      6       bad       <--
chromium@483363      931.522 +- 83.2826      6       bad
chromium@483365      930.965 +- 100.734      6       bad
chromium@483373      902.301 +- 60.4846      6       bad
chromium@483388      930.637 +- 206.037      9       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974256651424346000


For feedback, file a bug with component Speed>Bisection