Roll DevTools Frontend from 18a45a67b21a to 29da6d23a9d7 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/18a45a67b21a..29da6d23a9d7

2021-01-14 andoli@chromium.org [module.json extensions] Migrate @ViewLocationResolver in elements/
2021-01-14 andoli@chromium.org [module.json extensions] Add unit tests for new view extensions registration infrastructure

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,chromium:1153091
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I51550bf4845ffb89079a1b684dca48347c717ba2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2630301Reviewed-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@{#843815}

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': '18a45a67b21a0695c1c064727bf49ea348626bff',
+  'devtools_frontend_revision': '29da6d23a9d7472552ac4728825cfd8ae860e0cd',
   # 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.