remove memoryinstrumentation

Source/core/loader/SubstituteData.h

 /*
  * Copyright (C) 2007 Apple 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
         {
         }
 
         bool isValid() const { return m_content != 0; }
 
         const SharedBuffer* content() const { return m_content.get(); }
         const String& mimeType() const { return m_mimeType; }
         const String& textEncoding() const { return m_textEncoding; }
         const KURL& failingURL() const { return m_failingURL; }
         const KURL& responseURL() const { return m_responseURL; }
-
-        void reportMemoryUsage(MemoryObjectInfo*) const;
         
     private:
         RefPtr<SharedBuffer> m_content;
         String m_mimeType;
         String m_textEncoding;
         KURL m_failingURL;
         KURL m_responseURL;
     };
 
 }
 
 #endif // SubstituteData_h