Simplify CachedResource::data

Source/WebCore/loader/cache/CachedSVGDocument.h

 /*
     Copyright (C) 2010 Rob Buis <rwlbuis@gmail.com>
     Copyright (C) 2011 Cosmin Truta <ctruta@gmail.com>
     Copyright (C) 2012 University of Szeged
     Copyright (C) 2012 Renata Hodovan <reni@webkit.org>
 
     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 23 matching lines @@
 
 class CachedSVGDocument : public CachedResource {
 public:
     explicit CachedSVGDocument(const ResourceRequest&);
     virtual ~CachedSVGDocument();
 
     SVGDocument* document() const { return m_document.get(); }
 
     virtual void setEncoding(const String&);
     virtual String encoding() const;
-    virtual void data(PassRefPtr<ResourceBuffer> data, bool allDataReceived);
+    virtual void checkNotify() OVERRIDE;
 
     virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
 
 protected:
     RefPtr<SVGDocument> m_document;
     RefPtr<TextResourceDecoder> m_decoder;
 };
 
 class CachedSVGDocumentClient : public CachedResourceClient {
 public:
     virtual ~CachedSVGDocumentClient() { }
     static CachedResourceClientType expectedType() { return SVGDocumentType; }
     virtual CachedResourceClientType resourceClientType() const { return expectedType(); }
 };
 
 }
 
 #endif
 
 #endif // CachedSVGDocument_h