Roll DevTools Frontend from 8cb84018ec27 to f9d579463cae (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/8cb84018ec27..f9d579463cae

2021-09-21 szuend@chromium.org Split events in WorkspaceDiff

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/devtools-frontend-chromium
Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: chromium:1228674
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Icd4c0ab87b37d85f01f594553356cb6fcf306dda
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3172384
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#923346}