Roll DevTools Frontend from 99620c4bfcfc to 6bc78433f44f (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/99620c4bfcfc..6bc78433f44f

2020-10-19 jalyn@microsoft.com Settings: Remove old ShortcutsScreen

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 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/master/autoroll/README.md

Bug: chromium:174309
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ib54491ee10697045b9d3e5b36db27dcf8d8c80df
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2486468Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#818747}

DEPS

@@ -277,7 +277,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': '99620c4bfcfc49d75e9e2df8e22f8f5d8804324a',
+  'devtools_frontend_revision': '6bc78433f44f88114ba309cc3a41da488f50b0f1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.