All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=775308

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2013d1d3249156de5ad2ab2f9e8bc67628fe398b2dd1ce9badb2102daa2138c3


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965532466732716464

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : media.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_tulip2.wav_type_audio
  Change       : 3.60% | 3308448.0 -> 3427570.66667

Suspected Commit Range
  6 commits in range
  https://chromium.googlesource.com/chromium/src/+log/f4db11e1da3954be65b95ebecf8b82cedc9263fb..6f173f7b5282908be1443c31060ed088e69c8df3


Revision             Result                  N
chromium@508851      3308448 +- 351.818      6        good
chromium@508870      3308215 +- 835.41       6        good
chromium@508879      3394503 +- 442156       14       good
chromium@508881      3427127 +- 869.572      14       good
chromium@508882      ---                     ---      build failure
chromium@508883      ---                     ---      build failure
chromium@508884      ---                     ---      build failure
chromium@508885      ---                     ---      build failure
chromium@508886      ---                     ---      build failure
chromium@508887      3427427 +- 482.209      14       bad
chromium@508888      3427629 +- 1473.24      14       bad
chromium@508925      3427571 +- 508.698      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.wav.type.audio media.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965532466732716464


For feedback, file a bug with component Speed>Bisection

Already fixed.

According to hubbe, this recovered, and we don't know what was broken. Marking wontfix for our records since we didn't fix it.