Add support for DFW for all instances of the editor, part props sushkov, fixes #19843

git-svn-id: https://develop.svn.wordpress.org/trunk@20166 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/js/quicktags.dev.js

@@ -599,7 +599,7 @@ function edButton(id, display, tagStart, tagEnd, access, open) {
 	};
 	qt.FullscreenButton.prototype = new qt.Button();
 	qt.FullscreenButton.prototype.callback = function(e, c) {
-		if ( c.id != 'content' || typeof(fullscreen) == 'undefined' )
+		if ( !c.id || typeof(fullscreen) == 'undefined' )
 			return;
 
 		fullscreen.on();

wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js

@@ -34,7 +34,7 @@
 			ed.addCommand('wpFullScreenInit', function() {
 				var d, b, fsed;
 
-				ed = tinymce.get('content');
+				ed = tinyMCE.activeEditor;
 				d = ed.getDoc();
 				b = d.body;