Remove dynamic cast from DocumentPaser interface

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 534 matching lines @@
     HTMLImportsController& ensureImportsController();
     HTMLImportLoader* importLoader() const;
     HTMLImport* import() const;
 
     bool haveImportsLoaded() const;
     void didLoadAllImports();
 
     void adjustFloatQuadsForScroll(Vector<FloatQuad>&);
     void adjustFloatRectForScroll(FloatRect&);
 
-    bool hasActiveParser();
     unsigned activeParserCount() { return m_activeParserCount; }
     void incrementActiveParserCount() { ++m_activeParserCount; }
     void decrementActiveParserCount();
 
     ElementDataCache* elementDataCache() { return m_elementDataCache.get(); }
 
     void didLoadAllScriptBlockingResources();
     void didRemoveAllPendingStylesheet();
     void clearStyleResolver();
 
@@ skipping 64 matching lines @@
 
     bool needsFullRenderTreeUpdate() const;
 
     bool dirtyElementsForLayerUpdate();
     void updateDistributionIfNeeded();
     void evaluateMediaQueryListIfNeeded();
 
     void updateRenderTree(StyleRecalcChange);
     void updateStyle(StyleRecalcChange);
 
-    HTMLDocumentParser* scriptableDocumentParser() const;
     void detachParser();
 
     virtual bool isDocument() const override final { return true; }
 
     virtual void childrenChanged(const ChildrenChange&) override;
 
     virtual String nodeName() const override final;
     virtual NodeType nodeType() const override final;
     virtual bool childTypeAllowed(NodeType) const override final;
     virtual PassRefPtr<Node> cloneNode(bool deep = true) override final;
@@ skipping 191 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