All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=787453

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d551d63d30a68d6d3a5f28c99e2d601b664a072ecd7128e31b4e5d20946c3471


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8962310207473566544

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

Hi jgruber@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 : jgruber
  Commit : 9664d017f7e219878d4b1a6c25be6c6f9b1b91bd
  Date   : Wed Nov 08 13:09:07 2017
  Subject: [snapshot] Flip --lazy-handler-deserialization

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.browsing_mobile
  Metric       : v8-gc-full-mark-compactor_avg/browse_news/browse_news_reddit
  Change       : 86.90% | 34.11 -> 63.7518

Revision                           Result                  N
chromium@515129                    34.11 +- 6.74028        7      good
chromium@515138                    36.334 +- 7.43489       8      good
chromium@515141                    38.1708 +- 7.94067      6      good
chromium@515141,v8@17eda5f968      37.415 +- 4.60626       6      good
chromium@515141,v8@3c483de7df      37.3817 +- 6.61853      6      good
chromium@515141,v8@9664d017f7      63.9568 +- 9.62457      6      bad       <--
chromium@515141,v8@df15c60ed9      59.7026 +- 14.2469      7      bad
chromium@515142                    60.557 +- 11.642        6      bad
chromium@515143                    64.7568 +- 2.02082      5      bad
chromium@515147                    58.771 +- 12.7939       5      bad
chromium@515164                    63.7518 +- 2.5033       5      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=browse.news.reddit 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/8962310207473566544


For feedback, file a bug with component Speed>Bisection