Remove ENTITY_REFERENCE_NODE

Source/core/dom/Attr.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2012 Apple Inc. 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
@@ skipping 133 matching lines @@
 PassRefPtr<Node> Attr::cloneNode(bool /*deep*/)
 {
     RefPtr<Attr> clone = adoptRef(new Attr(document(), qualifiedName(), value()));
     cloneChildNodes(clone.get());
     return clone.release();
 }
 
 // DOM Section 1.1.1
 bool Attr::childTypeAllowed(NodeType type) const
 {
-    switch (type) {
-        case TEXT_NODE:
-        case ENTITY_REFERENCE_NODE:
-            return true;
-        default:
-            return false;
-    }
+    return TEXT_NODE == type;
 }
 
 void Attr::childrenChanged(bool, Node*, Node*, int)
 {
     if (m_ignoreChildrenChanged > 0)
         return;
 
     invalidateNodeListCachesInAncestors(&qualifiedName(), m_element);
 
-    // FIXME: We should include entity references in the value
-
     StringBuilder valueBuilder;
     for (Node *n = firstChild(); n; n = n->nextSibling()) {
         if (n->isTextNode())
             valueBuilder.append(toText(n)->data());
     }
 
     AtomicString newValue = valueBuilder.toAtomicString();
     if (m_element)
         m_element->willModifyAttribute(qualifiedName(), value(), newValue);
 
@@ skipping 44 matching lines @@
 }
 
 void Attr::attachToElement(Element* element)
 {
     ASSERT(!m_element);
     m_element = element;
     m_standaloneValue = nullAtom;
 }
 
 }