Roll DevTools Frontend from 6f6f74587197 to 84289884f156 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/6f6f74587197..84289884f156

2020-06-25 brgoddar@microsoft.com Grid: update experiment, turn tooltips on by default

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:1047356
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I859af0a6fce75ae4f12723cd42c4ed723a6ea0ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2268210Reviewed-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@{#782753}

DEPS

@@ -259,7 +259,7 @@ 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': '6f6f745871973123573c81ab066c82f54e53aa8b',
+  'devtools_frontend_revision': '84289884f156c58895342a0d518f081cfa74f3df',
   # 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.