Roll src/third_party/devtools-frontend/src 747295674924..af23eb1122f2 (5 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/747295674924..af23eb1122f2

git log 747295674924..af23eb1122f2 --date=short --first-parent --format='%ad %ae %s'
2020-03-19 tvanderlippe@chromium.org Typecheck protocol_client/ with TypeScript
2020-03-19 jacktfranklin@chromium.org Enforce `public` modifiers on source code classes
2020-03-19 mathias@chromium.org Remove duplicate test
2020-03-19 petermarshall@chromium.org [Timeline] Enable close button when profiling fails
2020-03-19 tvanderlippe@chromium.org Fully typecheck text_utils

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@af23eb1122f2

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/+/master/autoroll/README.md

Bug: chromium:1003700,chromium:1058632,chromium:1061125
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ie7c4a675b2080387a7d374c352a4a88ea36d811f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2110573Reviewed-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@{#751836}

DEPS

@@ -246,7 +246,7 @@ 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': '747295674924c671f86fe791f5ac81044dfeac12',
+  'devtools_frontend_revision': 'af23eb1122f2db9a5ddb4787d634bd83da9593a9',
   # 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.