Simplify some parsing-related code

sky/engine/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 336 matching lines @@
     void setURL(const KURL&);
 
     // To understand how these concepts relate to one another, please see the
     // comments surrounding their declaration.
     const KURL& baseURL() const { return m_baseURL; }
 
     KURL completeURL(const String&) const;
 
     CSSStyleSheet& elementSheet();
 
-    virtual PassRefPtr<DocumentParser> createParser();
     DocumentParser* parser() const { return m_parser.get(); }
     HTMLDocumentParser* scriptableDocumentParser() const;
 
     enum ReadyState {
         Loading,
         Interactive,
         Complete
     };
     void setReadyState(ReadyState);
     bool isLoadCompleted();
@@ skipping 500 matching lines @@
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h