Roll DevTools Frontend from a6842d3aa4de to 77ed48ad2159 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/a6842d3aa4de..77ed48ad2159

2020-09-04 patrick.brosset@microsoft.com Grid: New histogram to track how many grids users highlight in the page

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: Ibf7ad1d3695405df6f23a304c1c17cc0c5b0dd8e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2392845Reviewed-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@{#804542}

DEPS

@@ -266,7 +266,7 @@ 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': 'a6842d3aa4dedb5d4febbf7d2b43ace1235076d7',
+  'devtools_frontend_revision': '77ed48ad21596d2096a00f6d10146e3ad03b7fd7',
   # 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.