GitLab

I made it talk directly to the view_manager. We'll likely want a
variant that talks to the client_lib too.

BUG=365012
TEST=covered by tests
R=ben@chromium.org

Review URL: https://codereview.chromium.org/313483002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274449 0039d316-1c4b-4281-b951-d872f2087c98