GitLab

The WebFrameWidget can be retrieved via the WebView. Move
one test that was accessing the LayerTreeHost to blink.

BUG=1097816

Change-Id: I373d6ed7ff97a3669a7d303b86944c001f5e9eac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2464027
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#816753}