Move LiveNodeListBase class to its own header

Source/core/dom/LiveNodeListBase.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2014 Samsung Electronics. 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
  * 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 LiveNodeList_h
-#define LiveNodeList_h
+#ifndef LiveNodeListBase_h
+#define LiveNodeListBase_h
 
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
-#include "core/dom/NodeList.h"
-#include "core/html/CollectionIndexCache.h"
 #include "core/html/CollectionType.h"
-#include "wtf/Forward.h"
-#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
-class Element;
-
 enum NodeListRootType {
     NodeListIsRootedAtNode,
     NodeListIsRootedAtDocument,
     NodeListIsRootedAtDocumentIfOwnerHasItemrefAttr,
 };
 
 class LiveNodeListBase {
 public:
     LiveNodeListBase(ContainerNode* ownerNode, NodeListRootType rootType, NodeListInvalidationType invalidationType,
         CollectionType collectionType)
@@ skipping 70 matching lines @@
     case InvalidateOnHRefAttrChange:
         return attrName == HTMLNames::hrefAttr;
     case DoNotInvalidateOnAttributeChanges:
         return false;
     case InvalidateOnAnyAttrChange:
         return true;
     }
     return false;
 }
 
-class LiveNodeList : public NodeList, public LiveNodeListBase {
-public:
-    LiveNodeList(PassRefPtr<ContainerNode> ownerNode, CollectionType collectionType, NodeListInvalidationType invalidationType, NodeListRootType rootType = NodeListIsRootedAtNode)
-        : LiveNodeListBase(ownerNode.get(), rootType, invalidationType,
-        collectionType)
-    { }
-
-    virtual unsigned length() const OVERRIDE FINAL { return m_collectionIndexCache.nodeCount(*this); }
-    virtual Node* item(unsigned offset) const OVERRIDE FINAL { return m_collectionIndexCache.nodeAt(*this, offset); }
-    virtual bool nodeMatches(const Element&) const = 0;
-
-    virtual void invalidateCache(Document* oldDocument) const OVERRIDE FINAL;
-    bool shouldOnlyIncludeDirectChildren() const { return false; }
-
-    // Collection IndexCache API.
-    bool canTraverseBackward() const { return true; }
-    Element* itemBefore(const Element* previousItem) const;
-    Element* traverseToFirstElement(const ContainerNode& root) const;
-    Element* traverseForwardToOffset(unsigned offset, Element& currentNode, unsigned& currentOffset, const ContainerNode& root) const;
-
-private:
-    virtual Node* virtualOwnerNode() const OVERRIDE FINAL;
-
-    mutable CollectionIndexCache<LiveNodeList, Element> m_collectionIndexCache;
-};
-
 } // namespace WebCore
 
-#endif // LiveNodeList_h
+#endif // LiveNodeListBase_h