All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=887479

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=25aea3e0097b06da8ded558e910721d4fbb5ff24aef02de0123239eabcb80b5e


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

Win 7 Nvidia GPU Perf

blink_perf.canvas - Benchmark documentation link:
  https://bit.ly/blink-perf-benchmarks

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/10b3c1ff640000

📍 Found significant differences after each of 4 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/10b3c1ff640000

Roll src/third_party/pdfium e2e31ee53920..8071fc75da16 (1 commits) by chromium-autoroll@skia-public.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/88126fe5a92062672e4711839df4f18f52d01401
1101 → 1138 (+37.5)

Migrate GuestView elements to Custom Elements V1 by mcnee@chromium.org
https://chromium.googlesource.com/chromium/src/+/32ce44fbfb0d9bf50cb09340d452ed56d6c5fc42
1137 → 1099 (-37.77)

[CrOS MultiDevice] Add logs for debugging setting page content logic. by jordynass@chromium.org
https://chromium.googlesource.com/chromium/src/+/1911356ee579a0cfbc8f2f84283437defbe92983
1099 → 1128 (+29.44)

Refactor ImageData and ColorCorrectionUtils by zakerinasab@chromium.org
https://chromium.googlesource.com/chromium/src/+/cc7d7079b035941ebe6f8a2e713beff3a32d849f
1128 → 350.2 (-778.1)

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

Benchmark documentation link:
  https://bit.ly/blink-perf-benchmarks