Roll src/third_party/devtools-frontend/src d85dc3874aaa..a0840e9a2f6a (1 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/d85dc3874aaa..a0840e9a2f6a

git log d85dc3874aaa..a0840e9a2f6a --date=short --first-parent --format='%ad %ae %s'
2020-01-14 hongchan@chromium.org Migrate webaudio/ to ESM internally

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@a0840e9a2f6a

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:1006759,chromium:1040646
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I7a57268e4ee9d4ab4fd54fde8fe5b2f2fdc4c949
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2001522Reviewed-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@{#731729}

DEPS

@@ -252,7 +252,7 @@ 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': 'd85dc3874aaafc3b4abd61cce2d497418c2ed413',
+  'devtools_frontend_revision': 'a0840e9a2f6a2c7c2f5e423350ca7657df07b14b',
   # 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.