Roll DevTools Frontend from 2dd866e9ca87 to 29cd5edc2d85 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/2dd866e9ca87..29cd5edc2d85

2020-11-13 alexrudenko@chromium.org Add APCA experiment
2020-11-13 szuend@chromium.org [cleanup] Replace 'widgetSymbol' with WeakMap

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:1011811,chromium:1121900
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I0634567a61da0f7cfe2ad210eac1cb59d658dcb0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2536735Reviewed-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@{#827219}

DEPS

@@ -272,7 +272,7 @@ 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': '2dd866e9ca875eedaa6189e2302a88d44edca9b4',
+  'devtools_frontend_revision': '29cd5edc2d85de7aef1d8e1a5bbcbe22d7d0de72',
   # 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.