Roll DevTools Frontend from ae8efc5c4e6a to 67a17949745b (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/ae8efc5c4e6a..67a17949745b

2020-12-16 patrick.brosset@microsoft.com Bring back expander icons for the Flex and Grid sections in Layout pane

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:1158671
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I47020ba14b0fded35382cde1757cdc4fcd56172d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2594868Reviewed-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@{#837503}

DEPS

@@ -274,7 +274,7 @@ 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': 'ae8efc5c4e6aafd4a0e7c743110986bd3a5424ec',
+  'devtools_frontend_revision': '67a17949745becd0c7d19cc26c8487b6dd37e175',
   # 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.