GitLab

Test that navigates to a URL, and then verifies that the URL
is included in TopSites.

Bug: 
Change-Id: Idd7f35241dfe83ba9950975664c380d81243560c
Reviewed-on: https://chromium-review.googlesource.com/559540
Commit-Queue: Mike Baxley <baxley@chromium.org>
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#485246}