Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977258268953697056

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

Suspected Commit
  Author : Reilly Grant
  Commit : 64bff37c24aefed6abfc5066f8ff5c49e71072f7
  Date   : Thu Jun 01 13:31:01 2017
  Subject: Ship WebUSB

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-latency-mark-compactor_avg/browse_tools/browse_tools_maps
  Change       : 21.56% | 7.2515 -> 8.81483333333

Revision             Result                   N
chromium@476253      7.2515 +- 0.750078       6      good
chromium@476262      7.14944 +- 1.66382       9      good
chromium@476266      7.11967 +- 0.628572      6      good
chromium@476267      8.65017 +- 0.963177      6      bad       <--
chromium@476268      8.96667 +- 1.25484       6      bad
chromium@476270      8.81483 +- 1.0378        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tools.maps v8.runtimestats.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977258268953697056

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4953889951973376


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