Move WebKitFullScreenListener into its own file.
Created attachment 140269 [details] Patch
Comment on attachment 140269 [details] Patch Attachment 140269 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/12565203
Comment on attachment 140269 [details] Patch r=me
Committed r116164: <http://trac.webkit.org/changeset/116164>