Roll DevTools Frontend from 16b862bdf547 to a8b477dc553d (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/16b862bdf547..a8b477dc553d

2020-10-19 wolfi@chromium.org [TS] Port BackgroundServiceModel.js to TypeScript
2020-10-19 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.
2020-10-19 jacktfranklin@chromium.org Breadcrumbs: don't reset user scroll position on update
2020-10-19 tvanderlippe@chromium.org Typecheck resources/IndexedDBModel.js with TypeScript

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:1138492,chromium:1138767
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I617143a77228a5aec097ba334d621b97fe886c1f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2483921Reviewed-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@{#818464}

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': '16b862bdf5474a3fff6317a883823fe02a536f97',
+  'devtools_frontend_revision': 'a8b477dc553d96c75f7f6ddab7113dfc043f5cf4',
   # 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.