Roll DevTools Frontend from d76df5326646 to 8dcbdb8aebf4 (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/d76df5326646..8dcbdb8aebf4

2020-06-17 tvanderlippe@chromium.org Remove `npm run start` script
2020-06-17 mathias@chromium.org Fix autofixable CSS lint issues
2020-06-17 yangguo@chromium.org Update and re-organize documentation
2020-06-17 tvanderlippe@chromium.org Default modes to vertical and horizontal orientation

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:1011811,chromium:1061037,chromium:1083142,chromium:1095614,chromium:1095988
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I744df89cc8df6b84532f32ced4ccc44179a4dee1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2249701Reviewed-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@{#779294}

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': 'd76df5326646bfb8332a65bc0bc46db84dcc9ba5',
+  'devtools_frontend_revision': '8dcbdb8aebf432db95baec3dff76c700895074a3',
   # 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.