All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776400

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f778689b7b8de6172c19b3d3939d8aa3fa506495e820f8fd4056c8ddebc4b05c


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965291593043631888

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

Hi napper@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 : Jon Napper
  Commit : bbf38447b31ce7e81bd06ff8c9ae84c5f2426ead
  Date   : Mon Oct 16 04:37:53 2017
  Subject: Added missing well-known conflicting language codes

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_search/browse_search_google_india
  Change       : 1.99% | 15475067.5 -> 15782252.1667

Revision             Result                   N
chromium@508963      15475068 +- 127088       6      good
chromium@508974      15512507 +- 63466.3      6      good
chromium@508980      15488405 +- 53898.6      6      good
chromium@508982      15490522 +- 25660.7      6      good
chromium@508983      15798366 +- 54638.2      6      bad       <--
chromium@508985      15782252 +- 68786.6      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.search.google.india system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965291593043631888


For feedback, file a bug with component Speed>Bisection

This CL was reverted: https://chromium-review.googlesource.com/c/chromium/src/+/726680