Prevent web content from forging File entries in drag and drop.

public/platform/WebDragData.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 84 matching lines @@
     BLINK_EXPORT void reset();
     BLINK_EXPORT void assign(const WebDragData&);
 
     BLINK_EXPORT WebVector<Item> items() const;
     BLINK_EXPORT void setItems(const WebVector<Item>&);
     BLINK_EXPORT void addItem(const Item&);
 
     BLINK_EXPORT WebString filesystemId() const;
     BLINK_EXPORT void setFilesystemId(const WebString&);
 
+    BLINK_EXPORT void setFilenameForNavigation(const WebString&);
+
 #if BLINK_IMPLEMENTATION
     explicit WebDragData(const PassRefPtrWillBeRawPtr<WebCore::DataObject>&);
     WebDragData& operator=(const PassRefPtrWillBeRawPtr<WebCore::DataObject>&);
     WebCore::DataObject* getValue() const;
 #endif
 
 private:
     void ensureMutable();
     WebPrivatePtr<WebCore::DataObject> m_private;
 };
 
 } // namespace blink
 
 #endif