All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=822856

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e23832cc32789ac2479509112c825ce02c54969e3c3d343b527d2a5628eae8d3


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

chromium-rel-win7-gpu-ati

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12550c61440000

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12550c61440000

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/15e19d4e240000

📍 Found significant differences after each of 3 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/15e19d4e240000

predictors: Allow port in urls. by alexilin@chromium.org
https://chromium.googlesource.com/chromium/src/+/48e8746b747754f10a3494523b07f0a492ec659d
280.8 → 145.1 (-135.7)

Change ClientHintsBrowserTest browser tests to use URLLoaderInterceptor by jcivelli@google.com
https://chromium.googlesource.com/chromium/src/+/1ff872df37f553db433107877eb099170e395266
156.8 → 204.1 (+47.25)

Fix toolbar presentation during stack view animation by gambard@chromium.org
https://chromium.googlesource.com/chromium/src/+/09949c77fba6fe63d8b0773aedb36b60f023cf18
256.8 → 272 (+15.22)

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

Interesting that pinpoint picked an IOS change as having an effect on a windows run.

However, resolving this as won't fix as most of the CPU time graphs have since recovered.

https://chromeperf.appspot.com/report?sid=6cd2ee0ebc18bc49faa308121a3c8b105a04f4ca00b8793f77301099924b4330&start_rev=532266&end_rev=565234
https://chromeperf.appspot.com/report?sid=d289e19f2f77e12d995c122b10f3d60db1e97b8ab760cb84adc2e6e5c41bec6a&start_rev=532266&end_rev=554658
https://chromeperf.appspot.com/report?sid=9f4d0914e334f8b88a92da1dd73ba113036ea5c0b2e1ca001f2e2e3ddac798f7&start_rev=532266&end_rev=560951
https://chromeperf.appspot.com/report?sid=659012396ddabd10f27fa930e260627c4dfc0742355c07e2f4db93a7bfdafbf0&start_rev=532266&end_rev=557642