All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=761940

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=fa4d9febbe5a6b494deeab76a35cf5d9e269c32c38a1e0f2804a9c9568250f5b


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969305166300308288

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

Suspected Commit
  Author : Dave Tapuska
  Commit : f238a1a8f2f73d226bdb38394a6e085a59cf0e41
  Date   : Mon Aug 28 21:24:39 2017
  Subject: Move Input Injection from Chrome IPC to mojo.

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-phantom-handle-callback_max/browse_search/browse_search_google_india
  Change       : 87.10% | 0.0258333333333 -> 0.0483333333333

Revision             Result                       N
chromium@497727      0.0258333 +- 0.00555278      6      good
chromium@497804      0.0294444 +- 0.0240463       9      good
chromium@497842      0.037 +- 0.0737835           9      good
chromium@497861      0.0348889 +- 0.0645205       9      good
chromium@497871      0.026 +- 0.0106771           6      good
chromium@497876      0.0287778 +- 0.0278129       9      good
chromium@497878      0.0286667 +- 0.0114601       6      good
chromium@497879      0.0286667 +- 0.00743864      6      good
chromium@497880      0.0461111 +- 0.00817856      9      bad       <--
chromium@498032      0.0483333 +- 0.0215716       6      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=browse.search.google.india v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969305166300308288


For feedback, file a bug with component Speed>Bisection