All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784414

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7701481f308f6778ef01eae465ebc994d1557a2f10f6f684bf5a9962e0c73df1


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963025169111797808

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

Hi ccameron@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 : Christopher Cameron
  Commit : 43f17057cc88b7c1ee868cb288d6681b2eb708b2
  Date   : Sat Nov 11 01:52:01 2017
  Subject: Use base::RefCounted for ICC profile internals

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : rasterize_and_record_micro.top_25
  Metric       : record_time/file___static_top_25_espn.html
  Change       : 3.43% | 0.4135 -> 0.427666666667

Revision             Result                      N
chromium@515761      0.4135 +- 0.00273861        6      good
chromium@515777      0.414833 +- 0.00261406      6      good
chromium@515785      0.412833 +- 0.00433974      6      good
chromium@515786      0.414833 +- 0.0032914       6      good
chromium@515787      0.424667 +- 0.00270801      6      bad       <--
chromium@515789      0.425167 +- 0.00297209      6      bad
chromium@515793      0.424333 +- 0.0023094       6      bad
chromium@515824      0.427667 +- 0.00365148      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=file...static.top.25.espn.html rasterize_and_record_micro.top_25

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963025169111797808


For feedback, file a bug with component Speed>Bisection

I suspect that this is fixed by r516445.