ash: Slide out top views when entering immersive fullscreen

This helps the user to understand that the tab strip and omnibox are
still available. Requires waiting until the reveal view is painted and
composited before triggering the slide-out animation.

BUG=167283
TEST=covered by browser_tests


Review URL: https://chromiumcodereview.appspot.com/12386073

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@185844 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed