Make sure the rootNode of a LiveNodeListBase is always a ContainerNode

Source/core/dom/TagNodeList.cpp

 /*
  * 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, 2005, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 11 matching lines @@
  */
 
 #include "config.h"
 #include "core/dom/TagNodeList.h"
 
 #include "core/dom/NodeRareData.h"
 #include "wtf/Assertions.h"
 
 namespace WebCore {
 
-TagNodeList::TagNodeList(PassRefPtr<Node> rootNode, CollectionType type, const AtomicString& namespaceURI, const AtomicString& localName)
+TagNodeList::TagNodeList(PassRefPtr<ContainerNode> rootNode, CollectionType type, const AtomicString& namespaceURI, const AtomicString& localName)
     : LiveNodeList(rootNode, type, DoNotInvalidateOnAttributeChanges)
     , m_namespaceURI(namespaceURI)
     , m_localName(localName)
 {
     ASSERT(m_namespaceURI.isNull() || !m_namespaceURI.isEmpty());
 }
 
 TagNodeList::~TagNodeList()
 {
     if (m_namespaceURI == starAtom)
         ownerNode()->nodeLists()->removeCacheWithAtomicName(this, type(), m_localName);
     else
         ownerNode()->nodeLists()->removeCacheWithQualifiedName(this, m_namespaceURI, m_localName);
 }
 
 bool TagNodeList::nodeMatches(const Element& testNode) const
 {
     // Implements http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-getelementsbytagnamens
     if (m_localName != starAtom && m_localName != testNode.localName())
         return false;
 
     return m_namespaceURI == starAtom || m_namespaceURI == testNode.namespaceURI();
 }
 
-HTMLTagNodeList::HTMLTagNodeList(PassRefPtr<Node> rootNode, const AtomicString& localName)
+HTMLTagNodeList::HTMLTagNodeList(PassRefPtr<ContainerNode> rootNode, const AtomicString& localName)
     : TagNodeList(rootNode, HTMLTagNodeListType, starAtom, localName)
     , m_loweredLocalName(localName.lower())
 {
 }
 
 bool HTMLTagNodeList::nodeMatches(const Element& testNode) const
 {
     return nodeMatchesInlined(testNode);
 }
 
 } // namespace WebCore