All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779538

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=16f45a0c5bf7a2be0d89a2f786a437e3bae2fa3c3755939e758656f358e106d3


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964301278431793696

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : media.desktop
  Metric       : cpu_time_percentage_avg/video.html?src_tulip2.vp9.webm_background

Revision             Result                     N
chromium@511904      0.229589 +- 0.012396       21      good
chromium@512046      0.230461 +- 0.0126863      21      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.background media.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964301278431793696


For feedback, file a bug with component Speed>Bisection

no bisect, closing as WontFix.