Now all modules are in core modules folder

modules/ckeditor/plugins/mediaembed/dialogs/mediaembed.js

@@ -0,0 +1,54 @@
+/*
+Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+CKEDITOR.dialog.add( 'mediaembedDialog', function( editor ) {
+  var numberRegex = /^\d+(?:\.\d+)?$/;
+  var cssifyLength = function( length )
+  {
+    if ( numberRegex.test( length ) )
+      return length + 'px';
+    return length;
+  }
+  return {
+    title : Drupal.t('Embed Media Dialog'),
+    minWidth : 400,
+    minHeight : 200,
+    contents : [
+    {
+      id : 'mediaTab',
+      label : Drupal.t('Embed media code'),
+      title : Drupal.t('Embed media code'),
+      elements :
+      [
+      {
+        id : 'embed',
+        type : 'textarea',
+        rows : 9,
+        label : Drupal.t('Paste embed code here')
+      }
+      ]
+    }
+    ],
+    onOk : function() {
+      var editor = this.getParentEditor();
+      var content = this.getValueOf( 'mediaTab', 'embed' );
+      if ( content.length>0 ) {
+        var realElement = CKEDITOR.dom.element.createFromHtml('<div class="media_embed"></div>');
+        realElement.setHtml(content);
+        var fakeElement = editor.createFakeElement( realElement , 'cke_mediaembed', 'div', true);
+        var matches = content.match(/width=(["']?)(\d+)\1/i);
+        if (matches && matches.length == 3) {
+          fakeElement.setStyle('width', cssifyLength(matches[2]));
+        }
+        matches = content.match(/height=([\"\']?)(\d+)\1/i);
+        if (matches && matches.length == 3) {
+          fakeElement.setStyle('height', cssifyLength(matches[2]));
+        }
+        editor.insertElement(fakeElement);
+      }
+    }
+  };
+});
+