Roll DevTools Frontend from b12011da35a3 to 8ea04b09d5a4 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/b12011da35a3..8ea04b09d5a4

2020-05-26 tvanderlippe@chromium.org Also copy over integration_test_runner.html in BUILD.gn

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: None
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I9052d641cab1561840ec9b6d3cd3c87c4dfb2e5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2215888Reviewed-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@{#771755}

DEPS

@@ -249,7 +249,7 @@ 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': 'b12011da35a31e177cb41d833dc5ab88adee7956',
+  'devtools_frontend_revision': '8ea04b09d5a46b7115770b1368e6ae5600dc2933',
   # 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.