Roll DevTools Frontend from a8b477dc553d to e6d60bea7801 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/a8b477dc553d..e6d60bea7801

2020-10-19 tvanderlippe@chromium.org Typecheck sdk/CSSModel.js with TypeScript
2020-10-19 alexrudenko@chromium.org Inspector overlay: include common.css in main.ts

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:1139862
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ifce34108aacd9b82527d9924a495295bccfd9433
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2485131Reviewed-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@{#818502}

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': 'a8b477dc553d96c75f7f6ddab7113dfc043f5cf4',
+  'devtools_frontend_revision': 'e6d60bea7801bb7e7576e1623155fcb3f8dad976',
   # 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.