Roll DevTools Frontend from c4492956adde to 25c0c4f6128c (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/c4492956adde..25c0c4f6128c

2020-11-30 szuend@chromium.org [cleanup] Remove casts that are no longer needed
2020-11-30 michael.liao@microsoft.com [Sources- Accessibility]: Fix keyboard navigation for breakpoint sidebar

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:1011811,chromium:1147743
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I1a810cf86fb5cb1fa6468f8aa837becda6cf32f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2565403Reviewed-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@{#832011}

DEPS

@@ -275,7 +275,7 @@ 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': 'c4492956adde68b9a9a63e86dc2fad51e41f195d',
+  'devtools_frontend_revision': '25c0c4f6128cce306ea3d99a47f333ba49371862',
   # 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.