GitLab

Added code which waits for page loads after navigations.
Disabled tests will be enabled in a separate CL.

Also improved code formatting were OmniboxText is used.

Bug: 772128
Change-Id: I93880d1053e37e012240c7013d3e642b17acf38e
Reviewed-on: https://chromium-review.googlesource.com/726241Reviewed-by: Mike Baxley <baxley@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509909}