HTMLCollection should not inherit NodeList

Source/core/html/HTMLCollection.h

Index: Source/core/html/HTMLCollection.h
diff --git a/Source/core/html/HTMLCollection.h b/Source/core/html/HTMLCollection.h
index 967b247db4d0fd2c0aad17b994c25ded844f06d7..091201667a2175fb55abd206b3095f9c80c8071f 100644
--- a/Source/core/html/HTMLCollection.h
+++ b/Source/core/html/HTMLCollection.h
@@ -31,7 +31,7 @@
 
 namespace WebCore {
 
-class HTMLCollection : public LiveNodeListBase {
+class HTMLCollection : public ScriptWrappable, public RefCounted<HTMLCollection>, public LiveNodeListBase {
 public:
     static PassRefPtr<HTMLCollection> create(Node* base, CollectionType);
     virtual ~HTMLCollection();
@@ -40,7 +40,6 @@ public:
     virtual Node* namedItem(const AtomicString& name) const;
 
     // Non-DOM API
-    virtual bool hasNamedItem(const AtomicString& name) const;
     void namedItems(const AtomicString& name, Vector<RefPtr<Node> >&) const;
     bool isEmpty() const
     {
@@ -79,8 +78,6 @@ private:
     bool checkForNameMatch(Element*, bool checkName, const AtomicString& name) const;
     Element* traverseNextElement(unsigned& offsetInArray, Element& previous, ContainerNode* root) const;
 
-    virtual bool isLiveNodeList() const OVERRIDE { ASSERT_NOT_REACHED(); return true; }
-
     static void append(NodeCacheMap&, const AtomicString&, Element*);
 
     mutable NodeCacheMap m_idCache;