Simplify CachedResource::data

Source/WebCore/loader/cache/CachedXSLStyleSheet.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008 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
@@ skipping 44 matching lines @@
 void CachedXSLStyleSheet::setEncoding(const String& chs)
 {
     m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
 }
 
 String CachedXSLStyleSheet::encoding() const
 {
     return m_decoder->encoding().name();
 }
 
-void CachedXSLStyleSheet::data(PassRefPtr<ResourceBuffer> data, bool allDataReceived)
+void CachedXSLStyleSheet::checkNotify()
 {
-    if (!allDataReceived)
-        return;
-
-    m_data = data;
-    setEncodedSize(m_data.get() ? m_data->size() : 0);
     if (m_data.get()) {
         m_sheet = m_decoder->decode(m_data->data(), encodedSize());
         m_sheet.append(m_decoder->flush());
     }
-    setLoading(false);
-    checkNotify();
-}
-
-void CachedXSLStyleSheet::checkNotify()
-{
-    if (isLoading())
-        return;
     
     CachedResourceClientWalker<CachedStyleSheetClient> w(m_clients);
     while (CachedStyleSheetClient* c = w.next())
         c->setXSLStyleSheet(m_resourceRequest.url(), m_response.url(), m_sheet);
 }
 
 void CachedXSLStyleSheet::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CachedResourceXSLT);
     CachedResource::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_sheet, "sheet");
     info.addMember(m_decoder, "decoder");
 }
 
 } // namespace WebCore