bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/clipboard/DataTransfer.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 34 matching lines @@
 class FileList;
 class LocalFrame;
 class ImageResource;
 class Node;
 class Range;
 
 // Used for drag and drop and copy/paste.
 // Drag and Drop: http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html
 // Clipboard API (copy/paste): http://dev.w3.org/2006/webapi/clipops/clipops.html
 class DataTransfer : public RefCountedWillBeGarbageCollectedFinalized<DataTransfer>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     // Whether this transfer is serving a drag-drop or copy-paste request.
     enum DataTransferType {
         CopyAndPaste,
         DragAndDrop,
     };
 
     static PassRefPtrWillBeRawPtr<DataTransfer> create(DataTransferType, DataTransferAccessPolicy, PassRefPtrWillBeRawPtr<DataObject>);
     ~DataTransfer();
 
@@ skipping 72 matching lines @@
     ResourcePtr<ImageResource> m_dragImage;
     RefPtrWillBeMember<Node> m_dragImageElement;
 };
 
 DragOperation convertDropZoneOperationToDragOperation(const String& dragOperation);
 String convertDragOperationToDropZoneOperation(DragOperation);
 
 } // namespace blink
 
 #endif // DataTransfer_h