All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=845938

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3aac1224954e74536936e9b247b74cbfce1e0366c8199e5106300f6eea657336


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

chromium-rel-win10
chromium-rel-win7-gpu-nvidia

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14a14982240000

📍 Found significant differences after each of 7 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14a14982240000

Do not consider pending queries as idle work in passthrough decoder by sunnyps@chromium.org
https://chromium.googlesource.com/chromium/src/+/ef1b3ab1cc2498425c46c021e9344c514392026c

Remove idle work polling interval override by sunnyps@chromium.org
https://chromium.googlesource.com/chromium/src/+/db2744fe6d080718ac44c3810dee794e4d3400d7

Fold AutofillUpstream waterfall testing config study into existing OfferUploadCreditCards study by jsaul@google.com
https://chromium.googlesource.com/chromium/src/+/87dfd770d144843eaddeab27693c137e83ece4a6

Update V8 to version 6.8.256. by v8-autoroll@chromium.org
https://chromium.googlesource.com/chromium/src/+/824c489cdb8f730af2ac5a7bb133fae8ae8c7664

[TaskScheduler] Introduce HeartbeatLatencyMicroseconds metric. by gab@chromium.org
https://chromium.googlesource.com/chromium/src/+/3fb9e4fe6f5e51574d0647ee0adc0462da885c61

[LUCI] Remove test spec for bots in chromium.android.fyi. by hzl@chromium.org
https://chromium.googlesource.com/chromium/src/+/511b03ee49ccfd9d27b1ebe26d04038994c837b4

[NTP Button] Creates feature flag by danielpark@chromium.org
https://chromium.googlesource.com/chromium/src/+/990d099cbd6c38083075901532ed8ab8fd4d773d

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