All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=754237

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=dcc82b798809b8240cfcd747a8d46272153c36271c2071626ee84df65d1363e1


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

chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-mac12-mini-8gb
chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971644154459561680

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

Suspected Commit
  Author : Christopher Cameron
  Commit : 1894d423068be735560e0171922c833c4091b5d1
  Date   : Wed Jun 28 06:31:03 2017
  Subject: color: Enable color correct rendering by default

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : cpu_time_percentage_avg/load_games/load_games_bubbles
  Change       : 208.38% | 0.251853272897 -> 0.776661138443

Revision             Result                     N
chromium@482884      0.251853 +- 0.0169068      6      good
chromium@482899      0.251313 +- 0.0104868      6      good
chromium@482902      0.249003 +- 0.0310115      6      good
chromium@482903      0.250433 +- 0.0196744      6      good
chromium@482904      0.776011 +- 0.107006       6      bad       <--
chromium@482905      0.775176 +- 0.0629742      6      bad
chromium@482913      0.774336 +- 0.0890453      6      bad
chromium@482941      0.776661 +- 0.106977       6      bad

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=load.games.bubbles system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971644154459561680


For feedback, file a bug with component Speed>Bisection

This change landed ~1.5 months ago and is already in beta.

Also, many of these graphs have completely resolved.