All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=701898

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtNCc4gkM


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

chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985031065635161952

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

Suspected Commit
  Author : meade
  Commit : 3a001533b29c0fe28f2354285b2c2ac8d57d8ce6
  Date   : Mon Mar 13 05:26:20 2017
  Subject: Un-DCHECK-guard ThreadRestrictionVerifier for strings.

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___www.fifa.com_
  Change       : 6.67% | 146.206833343 -> 155.957799983

Revision             Result                   N
chromium@456315      146.207 +- 1.61624       6      good
chromium@456321      147.068 +- 4.01429       6      good
chromium@456322      147.521 +- 2.8917        6      good
chromium@456323      154.821 +- 0.895786      5      bad       <--
chromium@456324      154.551 +- 3.27859       6      bad
chromium@456327      154.082 +- 4.17012       6      bad
chromium@456339      155.958 +- 1.98607       5      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.fifa.com. page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985031065635161952

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5871332207624192


| 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!