Roll src/third_party/devtools-frontend/src 9b9f09268b2b..bb54eb5faa03 (1 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/9b9f09268b2b..bb54eb5faa03

git log 9b9f09268b2b..bb54eb5faa03 --date=short --first-parent --format='%ad %ae %s'
2020-01-28 mathias@chromium.org [e2e] Expose `$` helper

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@bb54eb5faa03

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/+/master/autoroll/README.md

Bug: chromium:1044632
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I7c1fa9860eceb3c7f669d65a0928dc8ec755f40e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2024972Reviewed-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@{#735847}

DEPS

@@ -248,7 +248,7 @@ 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': '9b9f09268b2b556173f0ac425b642fcc69fa8116',
+  'devtools_frontend_revision': 'bb54eb5faa03e681cc416263d915670a6651047b',
   # 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.