All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=852505

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b4f150539e4a68cac4a32c8126f757641c3e61f9d2897ff545689c7346ad6d33


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

chromium-rel-win7-dual

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14bbb0f5240000

📍 Found significant differences after each of 4 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14bbb0f5240000

Field trial for AudioService experiment by olka@chromium.org
https://chromium.googlesource.com/chromium/src/+/8d891be67dac6be0f01a3c91e56ca9729101782c
104.5 → 493.1 (+388.6)

Change CreateSubRun to copy entire array by kojii@chromium.org
https://chromium.googlesource.com/chromium/src/+/ab8ee841dc483441eac21b5fff2e7d092b05e2a7
493.1 → 1086 (+592.8)

Convert word-wrap to an alias of overflow-wrap by cnardi@chromium.org
https://chromium.googlesource.com/chromium/src/+/34bf22460b1945c47d41e61676e29dd4b07ba665
895.7 → 126.8 (-768.9)

Request camera permission when AR features are requested. by ijamardo@chromium.org
https://chromium.googlesource.com/chromium/src/+/d6eb0c60433edd4f0bc0b6435a57a9143a6ff265
707.6 → 56.34 (-651.2)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Suspecting the field trial for out of process AudioService is the culprit, so reassigning.