All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758231

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8658588f37b463bcc4a9a76a07665d9a01743d194ad0ee1f9c019ca547676470


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970455686572681904

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

Suspected Commit
  Author : Morten Stenshorne
  Commit : c1bb58b26ee6e0d792f6e8aff9a3126cc2fa29af
  Date   : Tue Aug 15 19:20:31 2017
  Subject: When main axis is logical y, lay out flex items before getting intrinsic size.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_raster_cpu_time_per_frame/inbox_app.html?toggle_drawer
  Change       : 9.43% | 0.462916705077 -> 0.506557254322

Revision             Result                     N
chromium@494321      0.462917 +- 0.0212684      6      good
chromium@494472      0.433891 +- 0.0206907      6      good
chromium@494482      0.435338 +- 0.0259179      6      good
chromium@494487      0.43538 +- 0.0252899       6      good
chromium@494488      0.512743 +- 0.0341493      6      bad       <--
chromium@494489      0.501888 +- 0.0249298      6      bad
chromium@494491      0.512416 +- 0.0125178      6      bad
chromium@494510      0.506008 +- 0.0290705      6      bad
chromium@494547      0.510361 +- 0.029685       6      bad
chromium@494622      0.506557 +- 0.0362155      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=inbox.app.html.toggle.drawer thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970455686572681904


For feedback, file a bug with component Speed>Bisection