Roll DevTools Frontend from 187489319e76 to fade2847b875 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/187489319e76..fade2847b875

2020-07-16 tvanderlippe@chromium.org Add documentation for the usage of devtools_{entrypoint,module,pre_built}
2020-07-16 kprokopenko@google.com [issues] Add source location linking to CSP issues of url violation type.

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:1101738
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I72a18503d672e389445d00d6642e8408bc7c4b29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2302216Reviewed-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@{#789050}

DEPS

@@ -270,7 +270,7 @@ 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': '187489319e76efdb04fbf7b6fff173cab9f47856',
+  'devtools_frontend_revision': 'fade2847b8753d348911eb17ea52031fe103e937',
   # 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.