Roll DevTools Frontend from aeaf8b9be0c2 to f1a39a74b67f (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/aeaf8b9be0c2..f1a39a74b67f

2021-01-21 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.
2021-01-21 andoli@chromium.org [module.json extensions] mobile_throttling

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:1134103
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I87d59897389f7ae57c36796fae86cb5f68b18a16
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2641646Reviewed-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@{#845531}

DEPS

@@ -278,7 +278,7 @@ 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': 'aeaf8b9be0c24c048afdac7b7108589be87a97a0',
+  'devtools_frontend_revision': 'f1a39a74b67fbfeb3a2709c0b5e16490cdb1f56a',
   # 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.