All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=923382

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=84d476fecb54ec184529825fd4f350791b10c10a66eb64752d2ce345a41543c1


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

Android Nexus5X WebView Perf
Android Nexus6 WebView Perf

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

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/118aa86a540000

Has recovered and pinpoint job is stuck. Closing.

📍 Found significant differences after each of 10 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/118aa86a540000

DevTools: Make node screenshot pass coordinates in dip. by alph@chromium.org
https://chromium.googlesource.com/chromium/src/+/7f5f19d3f1dafefab02d1ce64781c4098c158db4
CustomPropertiesRootInheritance: 948.7 → 961.9 (+13.23)

Roll src/third_party/libvpx/source/libvpx/ 759d1de9d..fa5083e8e (1 commit) by johannkoenig@google.com
https://chromium.googlesource.com/chromium/src/+/68d8d30f832ae1d00a7fbc0aef3a577e752e530f
CustomPropertiesRootInheritance: 968 → 949.5 (-18.48)

[wasm] Switch to new 'catch' and 'br_on_exn' proposal. by mstarzinger@chromium.org
https://chromium.googlesource.com/v8/v8/+/aaee69584f81d930f65db5524ea68313cb5a41e3
CustomPropertiesRootInheritance: 946.6 → 932.9 (-13.75)

Reland "[cpu-profiler] Add more logging to find flaky failure" by petermarshall@chromium.org
https://chromium.googlesource.com/v8/v8/+/48feba60e6ddca7a210ec57d3b94869aa876d124
CustomPropertiesRootInheritance: 932.9 → 973.1 (+40.21)

Revert "Reland "[cpu-profiler] Add more logging to find flaky failure"" by mslekova@chromium.org
https://chromium.googlesource.com/v8/v8/+/77ed999370e30bec7c11f0395ce4385d86f995ab
CustomPropertiesRootInheritance: 973.1 → 971 (-2.096)

Fix Code::set_constant_pool_offset by jyan@ca.ibm.com
https://chromium.googlesource.com/v8/v8/+/e53110f5600b87eada22565343528aa73ee9a20a
CustomPropertiesRootInheritance: 971 → 960 (-11.01)

[api] add test for nested isolates by yangguo@chromium.org
https://chromium.googlesource.com/v8/v8/+/62876856a69d63c6aea759947b3c3ac82df32afe
CustomPropertiesRootInheritance: 960 → 932.6 (-27.35)

[heap, api] Add API for automatically restoring the heap limit. by ulan@chromium.org
https://chromium.googlesource.com/v8/v8/+/93283bf04ae3fd96592b4090e90ac75130aa9d52
CustomPropertiesRootInheritance: 932.6 → 978 (+45.36)

Update V8 to version 7.3.412. by v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/36a2df30513f80d4b3d9fc92fca9c8314a40a305
CustomPropertiesRootInheritance: 957.6 → 957.7 (+0.08)

Roll AFDO from 73.0.3671.0_rc-r1 to 73.0.3672.0_rc-r1 by chromium-autoroll@skia-public.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/2c7da71a5d429c476dbe4351fa3b8fdec82ecefa
CustomPropertiesRootInheritance: 959.7 → 1061 (+101.6)

Assigning to sheriff gbiv@chromium.org because "Roll AFDO from 73.0.3671.0_rc-r1 to 73.0.3672.0_rc-r1" is a roll.

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

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