Have getElementsByClassName() / getElementsByTagName*() return an HTMLCollection

Source/core/dom/ClassCollection.h

 /*
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 David Smith (catfish.man@gmail.com)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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-#ifndef ClassNodeList_h
-#define ClassNodeList_h
+#ifndef ClassCollection_h
+#define ClassCollection_h
 
 #include "core/dom/Element.h"
-#include "core/dom/LiveNodeList.h"
-#include "core/dom/Node.h"
 #include "core/dom/SpaceSplitString.h"
+#include "core/html/HTMLCollection.h"
 
 namespace WebCore {
 
-class ClassNodeList FINAL : public LiveNodeList {
+class ClassCollection FINAL : public HTMLCollection {
 public:
     // classNames argument is an AtomicString because it is common for Elements to share the same class names.
     // It is also used to construct a SpaceSplitString (m_classNames) and its constructor requires an AtomicString.
-    static PassRefPtr<ClassNodeList> create(PassRefPtr<ContainerNode> rootNode, CollectionType type, const AtomicString& classNames)
+    static PassRefPtr<ClassCollection> create(ContainerNode* rootNode, CollectionType type, const AtomicString& classNames)
     {
-        ASSERT_UNUSED(type, type == ClassNodeListType);
-        return adoptRef(new ClassNodeList(rootNode, classNames));
+        ASSERT_UNUSED(type, type == ClassCollectionType);
+        return adoptRef(new ClassCollection(rootNode, classNames));
     }
 
-    virtual ~ClassNodeList();
+    virtual ~ClassCollection();
 
-    bool nodeMatchesInlined(const Element&) const;
+    bool elementMatches(const Element&) const;
 
 private:
-    ClassNodeList(PassRefPtr<ContainerNode> rootNode, const AtomicString& classNames);
-
-    virtual bool nodeMatches(const Element&) const OVERRIDE;
+    ClassCollection(ContainerNode* rootNode, const AtomicString& classNames);
 
     SpaceSplitString m_classNames;
     AtomicString m_originalClassNames;
 };
 
-inline bool ClassNodeList::nodeMatchesInlined(const Element& testNode) const
+inline bool ClassCollection::elementMatches(const Element& testElement) const
 {
-    if (!testNode.hasClass())
+    if (!testElement.hasClass())
         return false;
     if (!m_classNames.size())
         return false;
     // FIXME: DOM4 allows getElementsByClassName to return non StyledElement.
     // https://bugs.webkit.org/show_bug.cgi?id=94718
-    if (!testNode.isStyledElement())
+    if (!testElement.isStyledElement())
         return false;
-    return testNode.classNames().containsAll(m_classNames);
+    return testElement.classNames().containsAll(m_classNames);
 }
 
 } // namespace WebCore
 
-#endif // ClassNodeList_h
+#endif // ClassCollection_h