Port navigation controller unittest to posix.
Port navigation controller unittest to posix.

It now compiles, but doesn't link.

Review URL: http://codereview.chromium.org/43028

git-svn-id: http://src.chromium.org/svn/trunk/src@11368 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 72f7009c3525fe4012cf016989d1f35faf67a7e0
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser