Roll DevTools Frontend from 6fbe9310fbb8 to b6a8b828fd50 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/6fbe9310fbb8..b6a8b828fd50

2020-06-03 alexrudenko@chromium.org Move overlay tools to DevTools
2020-06-03 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools Chromium DEPS.

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:1078267
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I1ba40f926fadeabd89081c322372b8ce6e728382
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2228477Reviewed-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@{#774538}

DEPS

@@ -253,7 +253,7 @@ 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': '6fbe9310fbb88ad6365a460bc63f27382601daa6',
+  'devtools_frontend_revision': 'b6a8b828fd50207129c51ddd177eb8bc1cebd388',
   # 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.