Roll src/third_party/devtools-frontend/src 0a3fbd76a9e7..24f39c439784 (2 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/0a3fbd76a9e7..24f39c439784

git log 0a3fbd76a9e7..24f39c439784 --date=short --first-parent --format='%ad %ae %s'
2019-12-18 aerotwist@chromium.org Enables Karma to load images
2019-12-18 sigurds@chromium.org [timeline] Don't offer stop option during profiler initialization

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@24f39c439784

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:1013624
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I4421ae515195a9e4ffdae562f53849c16751ac9b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1973940Reviewed-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@{#725979}

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': '0a3fbd76a9e73fdadbd8a9702d34b77bb07efe75',
+  'devtools_frontend_revision': '24f39c4397841366751a20454c58c84c0b98df54',
   # 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.