Roll DevTools Frontend from 9a64fc651dfe to 15f1e5d585c5 (3 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/9a64fc651dfe..15f1e5d585c5

2020-10-06 pfaffe@chromium.org Revert "Implement support for the JavaScript formatter API"
2020-10-06 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools Chromium DEPS.
2020-10-06 michael.liao@microsoft.com [Bindings]: add undefined check for createLiveLocation

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:1128416,chromium:1134634
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: If3bc2d6bdcf2b8d4ce081f80344de37cd37ce1dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454149Reviewed-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@{#814378}

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': '9a64fc651dfeb5e08977471615cbd5590966ed71',
+  'devtools_frontend_revision': '15f1e5d585c59a10d053e8ef51fe49ec92760a1d',
   # 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.