Roll DevTools Frontend from 2f29f1b55a5b to 9312b9f60bb6 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/2f29f1b55a5b..9312b9f60bb6

2021-08-27 wolfi@chromium.org Fix background colour for origin trials section in frame details

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:607555
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I5db9ce38821bd3e5de31d4800726bdeb7e1f46f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3124638
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@{#915938}