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

This reverts commit fdcd8d21.

Reason for revert: Broke the win32-official build: https://ci.chromium.org/p/chromium/builders/ci/win32-official/546

Original change's description:
> 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/+/2414609
> Reviewed-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}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,devtools-waterfall-sheriff-onduty@grotations.appspotmail.com

Change-Id: I045001716536fcbebc8847c5c62d1e6e296bdd38
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1110817
Bug: chromium:1126496
Bug: chromium:1128534
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2414626Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807616}

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