All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755184

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=41aea32d817c8dbf9a6285e22a9b2e31c1ba65fce6198561c39aad6090f190e3


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

chromium-rel-mac11
chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971266687892492320

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

Suspected Commit
  Author : Fredrik Hubinette
  Commit : 46c25f4aeea8ba4487d9104b0b7034c40631cbec
  Date   : Sat Aug 12 00:27:30 2017
  Subject: Revert "Add test and fixes for loading many videos on the same page."

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/video.html?src_crowd1080_vp9.webm_seek
  Change       : 29.78% | 14962488.0 -> 19418936.0

Revision             Result                   N
chromium@493864      14962488 +- 0.0          9      good
chromium@493887      15457649 +- 4201579      9      good
chromium@493893      14962488 +- 0.0          6      good
chromium@493896      14962488 +- 0.0          6      good
chromium@493897      19418936 +- 0.0          6      bad       <--
chromium@493898      19418936 +- 0.0          6      bad
chromium@493899      19418936 +- 0.0          6      bad
chromium@493910      18923775 +- 4201579      9      bad
chromium@493955      19418936 +- 0.0          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=video.html.src.crowd1080.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/8971266687892492320


For feedback, file a bug with component Speed>Bisection