| Index: Source/core/clipboard/DataObject.cpp
 | 
| diff --git a/Source/core/clipboard/DataObject.cpp b/Source/core/clipboard/DataObject.cpp
 | 
| index 2b664ab6672af3b38a7f1256c89813e62be65fb8..de333b676d9dad13c77f1769fc49623403304f72 100644
 | 
| --- a/Source/core/clipboard/DataObject.cpp
 | 
| +++ b/Source/core/clipboard/DataObject.cpp
 | 
| @@ -268,6 +268,9 @@ void DataObject::internalAddFileItem(PassRefPtrWillBeRawPtr<DataObjectItem> item
 | 
|  void DataObject::trace(Visitor* visitor)
 | 
|  {
 | 
|      visitor->trace(m_itemList);
 | 
| +#if ENABLE(OILPAN)
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| +    HeapSupplementable<DataObject>::trace(visitor);
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| +#endif
 | 
|  }
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|  
 | 
|  } // namespace WebCore
 | 
| 
 |