All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755175

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=914baccf53d8d4a158629b63c223b950f2d461c0b9c7035028cab3da1a44b259


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

chromium-rel-mac11
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971267082491748864

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

Suspected Commit
  Author : jbauman
  Commit : 5b05b9032e67ea278ae3a3d1eb2731d1dcdb68c5
  Date   : Thu Aug 10 06:02:54 2017
  Subject: Allow creating GLImage-backed textures with glTexStorage2D.

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/video.html?src_tulip2.vp9.webm_seek
  Change       : 21.50% | 14791960.0 -> 17972280.0

Revision             Result                   N
chromium@493190      14791960 +- 1796652      6      good
chromium@493260      14518040 +- 1704478      6      good
chromium@493295      15276653 +- 1335625      6      good
chromium@493300      14777453 +- 1780522      6      good
chromium@493301      15041560 +- 1702675      6      good
chromium@493302      16743480 +- 0.0          6      bad       <--
chromium@493304      16883853 +- 1567140      6      bad
chromium@493313      17480760 +- 1805960      6      bad
chromium@493330      17972280 +- 1346083      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=video.html.src.tulip2.vp9.webm.seek media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971267082491748864


For feedback, file a bug with component Speed>Bisection