Move LiveNodeListBase class to its own header

Source/core/dom/LiveNodeListBase.h

Index: Source/core/dom/LiveNodeListBase.h
diff --git a/Source/core/dom/LiveNodeList.h b/Source/core/dom/LiveNodeListBase.h
similarity index 76%
copy from Source/core/dom/LiveNodeList.h
copy to Source/core/dom/LiveNodeListBase.h
index 422e6bcc1da1606f86debac787270b7669315c3c..098d8ddfcce190a3990ec3465e337ff0c38c3ca4 100644
--- a/Source/core/dom/LiveNodeList.h
+++ b/Source/core/dom/LiveNodeListBase.h
@@ -3,6 +3,7 @@
  *           (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
@@ -21,21 +22,15 @@
  *
  */
 
-#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,
@@ -126,32 +121,6 @@ ALWAYS_INLINE bool LiveNodeListBase::shouldInvalidateTypeOnAttributeChange(NodeL
     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