Roll src/third_party/devtools-frontend/src f0a082ec3466..bf2de16258dc (2 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/f0a082ec3466..bf2de16258dc

git log f0a082ec3466..bf2de16258dc --date=short --first-parent --format='%ad %ae %s'
2020-02-20 aerotwist@chromium.org [screenshot] Makes screenshots platform-specific
2020-02-20 yangguo@chromium.org Roll upstream changes

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@bf2de16258dc

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:1051458
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I3cc3af6baf4e11126bfe46661002279452080c97
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2066798Reviewed-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@{#743133}

DEPS

@@ -242,7 +242,7 @@ 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': 'f0a082ec3466ed851df530c4672afc229cb2f7ac',
+  'devtools_frontend_revision': 'bf2de16258dc7edce1da48f05523c349ab567976',
   # 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.