In WKUIDelegatePrivate, _webView:previewForLiftingItem:session: and -_webView:previewForCancellingItem:withDefault: are missing availability macros.
Created attachment 312821 [details] Patch
Comment on attachment 312821 [details] Patch Clearing flags on attachment: 312821 Committed r218224: <http://trac.webkit.org/changeset/218224>
All reviewed patches have been landed. Closing bug.