Roll DevTools Frontend from f5ee7c40c31b to 4f6dfcfe8801 (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/f5ee7c40c31b..4f6dfcfe8801

2020-09-16 jegarc@microsoft.com Normalize ShadowSwatchPopover behavior
2020-09-16 jacktfranklin@chromium.org Fix loading images in components server
2020-09-16 andoli@chromium.org Disables flaky e2e test on the Issues tab
2020-09-16 jacktfranklin@chromium.org Migrate heap snapshot multiple retainers layout test

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:1110817,chromium:1126496,chromium:1128534
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ib42c838d72f264996cfbb6b399266edb0d401dce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2414609Reviewed-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@{#807561}

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': 'f5ee7c40c31b322ce8d590593540b644957932c7',
+  'devtools_frontend_revision': '4f6dfcfe88014bd797cddfeb684a7f4b81733032',
   # 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.