Move ownership of the TextResourceDecoder to DecodedDataDocumentParser

Source/core/dom/DocumentParser.h

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google, Inc.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef DocumentParser_h
 #define DocumentParser_h
 
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Document;
 class DocumentWriter;
 class SegmentedString;
 class ScriptableDocumentParser;
+class TextResourceDecoder;
 
 class DocumentParser : public RefCounted<DocumentParser> {
 public:
     virtual ~DocumentParser();
 
     virtual ScriptableDocumentParser* asScriptableDocumentParser() { return 0; }
 
     // http://www.whatwg.org/specs/web-apps/current-work/#insertion-point
     virtual bool hasInsertionPoint() { return true; }
 
     // insert is used by document.write.
     virtual void insert(const SegmentedString&) = 0;
 
     // appendBytes and flush are used by DocumentWriter (the loader).
     virtual size_t appendBytes(const char* bytes, size_t length) = 0;
     virtual size_t flush() = 0;
     virtual bool needsDecoder() const { return false; }
+    virtual void setDecoder(PassRefPtr<TextResourceDecoder>) { ASSERT_NOT_REACHED(); }
 
     // pinToMainThread also makes append() not yield before completion of that chunk.
     virtual void pinToMainThread() { }
 
     // FIXME: append() should be private, but DocumentWriter::replaceDocument uses it for now.
     // FIXME: This really should take a PassOwnPtr to signify that it expects to take
     // ownership of the buffer. The parser expects the PassRefPtr to hold the only ref of the StringImpl.
     virtual void append(PassRefPtr<StringImpl>) = 0;
 
     virtual void finish() = 0;
@@ skipping 52 matching lines @@
     bool m_documentWasLoadedAsPartOfNavigation;
 
     // Every DocumentParser needs a pointer back to the document.
     // m_document will be 0 after the parser is stopped.
     Document* m_document;
 };
 
 } // namespace WebCore
 
 #endif // DocumentParser_h