Roll src/third_party/devtools-frontend/src 4b40870fb128..1a5c0d36940b (1 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/4b40870fb128..1a5c0d36940b

git log 4b40870fb128..1a5c0d36940b --date=short --first-parent --format='%ad %ae %s'
2019-12-19 comoody@microsoft.com DevTools: Make expandable text in ObjectPropertiesSection accessible.

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@1a5c0d36940b

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: None
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ibe57f77e9229bb18b6163f150ee443554c1f29bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1974925Reviewed-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@{#726306}

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': '4b40870fb128a307e38bc02f87ab8560828726d0',
+  'devtools_frontend_revision': '1a5c0d36940b87833f3bd0309d682b6f9845a3e7',
   # 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.