Roll src/third_party/devtools-frontend/src 835559f20f96..fe5c3f7d1da4 (5 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/835559f20f96..fe5c3f7d1da4

git log 835559f20f96..fe5c3f7d1da4 --date=short --first-parent --format='%ad %ae %s'
2020-01-09 tvanderlippe@chromium.org Migrate formatter/ to ESM internally
2020-01-09 aerotwist@chromium.org Migrates browser_debugger to ESM internally
2020-01-09 tvanderlippe@chromium.org Migrate emulation/ to ESM internally
2020-01-09 szuend@chromium.org Cleanup early returns in SourcesPanel.js
2020-01-09 almuthanna@chromium.org Add test files for classes depending on UI

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@fe5c3f7d1da4

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:1032561
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I8cc1105308b223c4e9c1e85b7c5e329ed6040db9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1993434Reviewed-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@{#729803}

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': '835559f20f968ed6a46952838de2c2d0dc0b8d9d',
+  'devtools_frontend_revision': 'fe5c3f7d1da4602870f3751cabfa2b30ff1c781b',
   # 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.