Fixed the addIframe method so it'll set the page size to match the iframe.

Author: fredck

CHANGES.md

@@ -6,6 +6,7 @@ CKEditor 4 Changelog
 * [#5189](http://dev.ckeditor.com/ticket/5189): Find/Replace dialog: rename button to "Close".
 * [#10562](http://dev.ckeditor.com/ticket/10562): [Housekeeping] CSS gradient filters in Moono.
 * [#10537](http://dev.ckeditor.com/ticket/10537): ACF should register default rule for `config.shiftEnterMode`.
+* [#10610](http://dev.ckeditor.com/ticket/10610): CKEDITOR.dialog.addIframe will not fill the dialog with the iframe.
 
 ## CKEditor 4.1.2
 

plugins/iframedialog/plugin.js

@@ -77,7 +77,8 @@ CKEDITOR.plugins.add( 'iframedialog', {
 					id: 'iframe',
 					label: title,
 					expand: true,
-					elements: [ element ]
+					elements: [ element ],
+					style: 'width:' + element.width + ';height:' + element.height
 				}
 				]
 			};