All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=792042

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=330eef43a3437565d9f49d07a10920ee6e2a9da71a5b88a761091db4616c88f7


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8961033643217952560

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

Hi drott@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 : Dominik Röttsches
  Commit : 31ccc10f9b93c2c5e9756d9f882f107c4f8dc0fa
  Date   : Tue Nov 28 19:53:10 2017
  Subject: Remove upright-in-vertical orientation hacks from SimpleFontData

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/balls_svg_animations.html
  Change       : 0.71% | 271.681673692 -> 273.620626877

Revision             Result                  N
chromium@519778      271.682 +- 5.5137       14      good
chromium@519794      271.55 +- 5.66185       9       good
chromium@519802      271.314 +- 3.3472       6       good
chromium@519803      271.331 +- 3.74615      6       good
chromium@519804      274.989 +- 2.61633      6       bad       <--
chromium@519806      276.605 +- 2.9619       6       bad
chromium@519810      275.183 +- 2.29955      6       bad
chromium@519842      273.621 +- 3.07562      9       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=balls.svg.animations.html smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8961033643217952560


For feedback, file a bug with component Speed>Bisection

Sorry for the noise, drott, this actually looks like it's within the noise. I dont' think bisect reproduced the bump in the graph, and the graph goes up and down a lot. WontFix-ing.