Remove ENTITY_REFERENCE_NODE

Source/core/dom/Attr.cpp

Index: Source/core/dom/Attr.cpp
diff --git a/Source/core/dom/Attr.cpp b/Source/core/dom/Attr.cpp
index b71a1e264dca535d81430f75caf30f5ad0d65874..4751272a4a9a07c3c376712033c476bba916a280 100644
--- a/Source/core/dom/Attr.cpp
+++ b/Source/core/dom/Attr.cpp
@@ -151,13 +151,7 @@ PassRefPtr<Node> Attr::cloneNode(bool /*deep*/)
 // 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)
@@ -167,8 +161,6 @@ void Attr::childrenChanged(bool, Node*, Node*, int)
 
     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())