Roll DevTools Frontend from 3e586480ca0f to 51d97b104f79 (10 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/3e586480ca0f..51d97b104f79

2020-08-12 szuend@chromium.org [ts] Type-check ui/ThrottledWidget.js with TypeScript
2020-08-12 szuend@chromium.org [ts] Type-check ui/ResizerWidget.js with TypeScript
2020-08-12 szuend@chromium.org [ts] Type-check ui/Widget.js with TypeScript
2020-08-12 wolfi@chromium.org Show 'Opened Windows' in Application panel's frame tree
2020-08-12 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.
2020-08-12 szuend@chromium.org [ts] Type-check ui/SegmentedButton.js with TypeScript
2020-08-12 szuend@chromium.org [ts] Type-check ui/RootView.js with TypeScript
2020-08-12 szuend@chromium.org [ts] Store Widget scroll positions in WeakMap instead of the element
2020-08-12 szuend@chromium.org [ts] Move Element prototype wrangling to DOMExtension.js
2020-08-12 jacktfranklin@chromium.org Fix non-nullable bug in bridges interface output

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:1107766
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Id64662d12b5e8cdd8a786810cc004ba94ff90985
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2352353Reviewed-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@{#797265}

DEPS

@@ -266,7 +266,7 @@ 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': '3e586480ca0fb9924208433d30a4cc7f870ec825',
+  'devtools_frontend_revision': '51d97b104f7998cfec009f4de3376f613a4b1e4b',
   # 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.