All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=760179

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=810fcd882fd327ba70ae89e0539257d9286329186b83b6dc3a4b2520aadfb54d


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

chromium-rel-mac11-air

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969912088234051760

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

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/http___answers.yahoo.com

Revision             Result                   N
chromium@497674      17.3049 +- 1.09895       21      good
chromium@497676      17.2896 +- 0.865061      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=http...answers.yahoo.com smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969912088234051760


For feedback, file a bug with component Speed>Bisection

These both came back down after a few revisions.