All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=774465

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=cd688d3530ddcc7e26ee4d8774d9c0af833f9479990d14a229fbf29b9b850ca1


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

chromium-rel-win10
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965846865358514416

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

Suspected Commit
  Author : Marja Hölttä
  Commit : fa3b73fffe232b601d2a94f129446f41c765a86e
  Date   : Wed Oct 04 08:23:11 2017
  Subject: [parser] Skipping inner funcs: Turn flag back on.

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/video.html?src_crowd1080_vp9.webm_seek
  Change       : 1.85% | 3605445.33333 -> 3538873.33333

Revision                           Result                  N
chromium@506351                    3605445 +- 248.301      6      good
chromium@506362                    3605468 +- 318.948      6      good
chromium@506365                    3605468 +- 318.948      6      good
chromium@506367                    3605739 +- 1564.1       6      good
chromium@506367,v8@bfb43f8c12      3605123 +- 1683.45      6      good
chromium@506367,v8@d4da17c6e3      3603221 +- 248.301      6      good
chromium@506367,v8@fa3b73fffe      3538889 +- 1655.92      6      bad       <--
chromium@506368                    3539316 +- 1988.99      6      bad
chromium@506373                    3538527 +- 228.922      6      bad
chromium@506395                    3538527 +- 124.15       6      bad
chromium@506439                    3538873 +- 2192.25      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/8965846865358514416


For feedback, file a bug with component Speed>Bisection