Roll DevTools Frontend from 56dbd799f56d to ec8113a86a79 (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/56dbd799f56d..ec8113a86a79

2020-12-01 mathias@chromium.org [Dark Mode]: migrate accessibility/axBreadcrumbs.css
2020-12-01 mathias@chromium.org [Dark Mode]: migrate accessibility/animationTimeline.css
2020-12-01 andoli@chromium.org Migrate elements/ extensions of type 'setting'
2020-12-01 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.

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:1134103,chromium:1152736
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I2b870b1cedf178f66af4ad9d1a32b234c47a7985
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2567660Reviewed-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@{#832281}

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': '56dbd799f56d9856b3a97efd08dde25064033a6d',
+  'devtools_frontend_revision': 'ec8113a86a793900dc44ebf36f5e103981ec3a31',
   # 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.