It has been reduced to an implementation detail of FocusController. Move the remaining functions there as they have no general utility (and are wrong for focus navigation too).
Created attachment 263253 [details] patch
Comment on attachment 263253 [details] patch r=me
Comment on attachment 263253 [details] patch Clearing flags on attachment: 263253 Committed r191186: <http://trac.webkit.org/changeset/191186>
All reviewed patches have been landed. Closing bug.