Roll DevTools Frontend from 721ef456ee27 to d2a9af6f630f (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/721ef456ee27..d2a9af6f630f

2020-12-11 wolfi@chromium.org Fix wide dropdown in DeviceModeToolbar
2020-12-11 jacktfranklin@chromium.org Migrate utilities to TypeScript files
2020-12-11 petermarshall@chromium.org [application] Avoid jumpy UI when clearing IndexedDB list
2020-12-11 changhaohan@chromium.org Remove auto-focus in Computed pane

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:1050549
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I0bdb96ce6a50982839ca60e233131d6dc4d43c4c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2586894Reviewed-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@{#836068}

DEPS

@@ -274,7 +274,7 @@ 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': '721ef456ee274ae30e8b506a140beb6fd977ba51',
+  'devtools_frontend_revision': 'd2a9af6f630fc57a12aff2a75e3630688fad293b',
   # 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.