All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=757324

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f1fe3acc20f002be47d624576b154bdb498e37002be058866928c606c5a50441


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

android-nexus5X
chromium-rel-mac11-air
chromium-rel-mac12
chromium-rel-mac12-mini-8gb
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970675948886293936

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

Suspected Commit
  Author : jbauman
  Commit : 20bcdb14c7a6f0801522d23693f530d4f224d727
  Date   : Mon Aug 14 19:44:30 2017
  Subject: Revert of Allow creating GLImage-backed textures with glTexStorage2D. (patchset #7 id:120001 of https://codereview.chromium.org/2945673002/ )

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/video.html?src_crowd1080.mp4
  Change       : 2.87% | 51072706.6667 -> 52537041.3333

Revision             Result                   N
chromium@494039      51072707 +- 1923310      6      good
chromium@494096      50019267 +- 2432815      6      good
chromium@494124      50370413 +- 2580390      6      good
chromium@494131      51072707 +- 1923310      6      good
chromium@494135      50721560 +- 2432815      6      good
chromium@494137      50370413 +- 2580390      6      good
chromium@494138      53207335 +- 1889556      6      bad       <--
chromium@494152      52537041 +- 2580390      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.crowd1080.mp4 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/8970675948886293936


For feedback, file a bug with component Speed>Bisection