Fixed WebDragData's wrong dependency.

Source/web/WebDragData.cpp

 /*
  * 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 42 matching lines @@
 void WebDragData::reset()
 {
     m_private.reset();
 }
 
 void WebDragData::assign(const WebDragData& other)
 {
     m_private = other.m_private;
 }
 
-WebDragData::WebDragData(const PassRefPtrWillBeRawPtr<DataObject>& object)
-{
-    m_private = object;
-}
-
-WebDragData& WebDragData::operator=(const PassRefPtrWillBeRawPtr<DataObject>& object)
-{
-    m_private = object;
-    return *this;
-}
-
-DataObject* WebDragData::getValue() const
-{
-    return m_private.get();
-}
-
 void WebDragData::ensureMutable()
 {
     ASSERT(!isNull());
 }
 
 WebVector<WebDragData::Item> WebDragData::items() const
 {
     Vector<Item> itemList;
     for (size_t i = 0; i < m_private->length(); ++i) {
         DataObjectItem* originalItem = m_private->item(i).get();
@@ skipping 84 matching lines @@
 }
 
 void WebDragData::setFilesystemId(const WebString& filesystemId)
 {
     // The ID is an opaque string, given by and validated by chromium port.
     ensureMutable();
     DraggedIsolatedFileSystem::provideTo(*m_private.get(), DraggedIsolatedFileSystem::supplementName(), DraggedIsolatedFileSystem::create(*m_private.get(), filesystemId));
 }
 
 } // namespace blink