All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=785728

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9b17269b0cf5b044d41160f8ed39054dabd5277470aec2a855c4b4f90e57f85b


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

android-nexus5X
android-webview-nexus5X
chromium-rel-mac11
chromium-rel-win10
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win8-dual
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8962786402724993680

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.browsing_mobile
  Metric       : total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max/total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8962786402724993680


For feedback, file a bug with component Speed>Bisection

Think this is the same underlying issue as  crbug.com/785721 

This regression has been open for half a year. It's not very actionable and the regression has been in all Chrome user's hands for months.