Remove destructors from ScriptWrappable objects (part 1)

Source/core/clipboard/DataTransferItemList.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 17 matching lines @@
 #include "core/clipboard/DataTransferItemList.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/clipboard/DataObject.h"
 #include "core/clipboard/DataTransfer.h"
 #include "core/clipboard/DataTransferItem.h"
 #include "core/dom/ExceptionCode.h"
 
 namespace WebCore {
 
+DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DataTransferItemList);
+
 PassRefPtrWillBeRawPtr<DataTransferItemList> DataTransferItemList::create(PassRefPtrWillBeRawPtr<DataTransfer> dataTransfer, PassRefPtrWillBeRawPtr<DataObject> list)
 {
     return adoptRefWillBeNoop(new DataTransferItemList(dataTransfer, list));
 }
 
-DataTransferItemList::~DataTransferItemList()
-{
-}
-
 size_t DataTransferItemList::length() const
 {
     if (!m_dataTransfer->canReadTypes())
         return 0;
     return m_dataObject->length();
 }
 
 PassRefPtrWillBeRawPtr<DataTransferItem> DataTransferItemList::item(unsigned long index)
 {
     if (!m_dataTransfer->canReadTypes())
@@ skipping 50 matching lines @@
     ScriptWrappable::init(this);
 }
 
 void DataTransferItemList::trace(Visitor* visitor)
 {
     visitor->trace(m_dataTransfer);
     visitor->trace(m_dataObject);
 }
 
 } // namespace WebCore