Roll src/third_party/devtools-frontend/src 308c74fe7331..813483f04139 (1 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/308c74fe7331..813483f04139

git log 308c74fe7331..813483f04139 --date=short --first-parent --format='%ad %ae %s'
2020-01-16 szuend@chromium.org [cleanup] Remove unused _toolbarItems field from View.js

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@813483f04139

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: Ib0623d50a3f4dfa49b44c85085314d43d47de411
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2004489
Reviewed-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@{#732340}