All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=786912

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=07eab4b68efdc1e86ff84fe2063c75cb7eb81858af16e216dd3495a9be4da784


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8962415803258499248

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

Suspected Commit
  Author : Toon Verwaest
  Commit : 460652c9786c686094b71f9d64e3e6025252c11a
  Date   : Mon Nov 06 17:43:26 2017
  Subject: [ic] Migrate API getters to data handlers

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : JavaScript:duration_avg/browse_news/browse_news_washingtonpost
  Change       : 146.67% | 1214.14633333 -> 2994.875

Revision                           Result                  N
chromium@513794                    1214.15 +- 179.108      6      good
chromium@514266                    1304.66 +- 183.328      6      good
chromium@514325                    1283.14 +- 103.169      6      good
chromium@514355                    1359.88 +- 166.015      6      good
chromium@514363                    1305.14 +- 105.682      6      good
chromium@514367                    1332.82 +- 148.404      6      good
chromium@514367,v8@2d12bc5bae      1311.36 +- 66.9823      6      good
chromium@514367,v8@dfd029b45e      1324.52 +- 194.534      6      good
chromium@514367,v8@c7ad5652d3      1312.37 +- 89.8533      6      good
chromium@514367,v8@460652c978      2809.21 +- 296.043      6      bad       <--
chromium@514368                    2687.84 +- 502.057      6      bad
chromium@514369                    2600.15 +- 297.094      6      bad
chromium@514370                    2649.51 +- 110.354      6      bad
chromium@514384                    2658.44 +- 440.959      6      bad
chromium@514502                    2637.58 +- 319.186      6      bad
chromium@514737                    2994.88 +- 461.437      6      bad

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 --story-filter=browse.news.washingtonpost v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8962415803258499248


For feedback, file a bug with component Speed>Bisection