Roll src/third_party/devtools-frontend/src aa133ed09624..9708a7d8f867 (1 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/aa133ed09624..9708a7d8f867

git log aa133ed09624..9708a7d8f867 --date=short --no-merges --format='%ad %ae %s'
2019-11-18 vidorteg@microsoft.com Verifying that the tab exists in TabbedEditorcontainer tab map before consuming it.

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@9708a7d8f867

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 v8-waterfall-sheriff@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

TBR=v8-waterfall-sheriff@grotations.appspotmail.com

Bug: None
Change-Id: Ib526fea05f8cd2a814c09eecb405ee324572ecaf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1922344Reviewed-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@{#716396}

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': 'aa133ed0962407c6ea731db3e83e2fc13b1013c6',
+  'devtools_frontend_revision': '9708a7d8f867a13aab9a5d47ae785fce5df0310d',
   # 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.