Roll DevTools Frontend from 0ca983b04e6b to 9fd03062f5fd (3 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/0ca983b04e6b..9fd03062f5fd

2020-12-15 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.
2020-12-15 tvanderlippe@chromium.org Remove css_overview-legacy.js
2020-12-15 andoli@chromium.org [module.json extensions] Migrate network settings

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:1127902,chromium:1134103
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I75e3954dcaefe5b7bc605c552d07cc111b3b22e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593530Reviewed-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@{#837074}

DEPS

@@ -274,7 +274,7 @@ 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': '0ca983b04e6b6c008e8091e4ef4eccd7a6b6cdb6',
+  'devtools_frontend_revision': '9fd03062f5fd2be47aaf2a5d2ad55ddf23780554',
   # 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.