GitLab

The visible URL doesn't always correspond to the actual page that's
loaded. For example, if the user types in a URL that ends up being a
download, then the visible URL corresponds to the download, but the NTP
is still there and should remain functional.

Bug: 592273, 624410
Change-Id: Ib2e0a7df8658e55030ee5e67959a0ebc486e495d
Reviewed-on: https://chromium-review.googlesource.com/800931Reviewed-by: Chris Pickel <sfiera@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521359}