GitLab

This method uses the NavigationController API to query the committed
navigational state on a Frame.

Bug: 852145
Change-Id: I49f9122753c393ef33d67905353b5ba1afad157a
Reviewed-on: https://chromium-review.googlesource.com/1182507Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585237}