remove memoryinstrumentation

Source/core/loader/cache/CachedResource.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 226 matching lines @@
     virtual void switchClientsToRevalidatedResource();
     void clearResourceToRevalidate();
     void updateResponseAfterRevalidation(const ResourceResponse& validatingResponse);
     
     virtual void didSendData(unsigned long long /* bytesSent */, unsigned long long /* totalBytesToBeSent */) { }
     virtual void didDownloadData(int) { }
 
     void setLoadFinishTime(double finishTime) { m_loadFinishTime = finishTime; }
     double loadFinishTime() const { return m_loadFinishTime; }
 
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const;
-
     virtual bool canReuse(const ResourceRequest&) const { return true; }
 
 protected:
     virtual void checkNotify();
     virtual void finishOnePart();
 
     void setEncodedSize(unsigned);
     void setDecodedSize(unsigned);
     void didAccessDecodedData(double timeStamp);
 
@@ skipping 92 matching lines @@
     // If this field is non-null, the resource has a proxy for checking whether it is still up to date (see m_resourceToRevalidate).
     CachedResource* m_proxyResource;
 
     // These handles will need to be updated to point to the m_resourceToRevalidate in case we get 304 response.
     HashSet<CachedResourceHandleBase*> m_handlesToRevalidate;
 };
 
 }
 
 #endif