Roll src/third_party/devtools-frontend/src d4092e36afe4..48c9ef678756 (3 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/d4092e36afe4..48c9ef678756

git log d4092e36afe4..48c9ef678756 --date=short --first-parent --format='%ad %ae %s'
2019-12-02 janscheffler@chromium.org Fix background on rows with error network logview
2019-12-02 sigurds@chromium.org [memory] Offer 'Store as variable' in the heap profiler views
2019-12-02 aerotwist@chromium.org Updates manage_node_deps to install missing deps; adds yargs

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@48c9ef678756

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:1029518,chromium:1027519
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I90f1cddca29c16f6e0336e1c0f770d5ce28204f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1945916Reviewed-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@{#720459}

DEPS

@@ -243,7 +243,7 @@ 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': 'd4092e36afe41eeb43554da03e9ef7e9647a91ff',
+  'devtools_frontend_revision': '48c9ef678756730eb4ea3dd92d13fadf3b665beb',
   # 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.