Remove Traversal<Element> specializations for lastWithin() / previous()

Source/core/dom/ElementTraversal.h

Index: Source/core/dom/ElementTraversal.h
diff --git a/Source/core/dom/ElementTraversal.h b/Source/core/dom/ElementTraversal.h
index 197364715aea40a48629b23762cbdc08a94213e7..2b9ba96a500bb40996b657d935788569fee9e1c2 100644
--- a/Source/core/dom/ElementTraversal.h
+++ b/Source/core/dom/ElementTraversal.h
@@ -113,16 +113,6 @@ inline Element* Traversal<Element>::firstWithinTemplate(NodeType& current)
 
 template <>
 template <class NodeType>
-inline Element* Traversal<Element>::lastWithinTemplate(NodeType& current)
-{
-    Node* node = NodeTraversal::lastWithin(current);
-    while (node && !node->isElementNode())
-        node = NodeTraversal::previous(*node, &current);
-    return toElement(node);
-}
-
-template <>
-template <class NodeType>
 inline Element* Traversal<Element>::nextTemplate(NodeType& current)
 {
     Node* node = NodeTraversal::next(current);
@@ -141,26 +131,6 @@ inline Element* Traversal<Element>::nextTemplate(NodeType& current, const Node*
     return toElement(node);
 }
 
-template <>
-template <class NodeType>
-inline Element* Traversal<Element>::previousTemplate(NodeType& current)
-{
-    Node* node = NodeTraversal::previous(current);
-    while (node && !node->isElementNode())
-        node = NodeTraversal::previous(*node);
-    return toElement(node);
-}
-
-template <>
-template <class NodeType>
-inline Element* Traversal<Element>::previousTemplate(NodeType& current, const Node* stayWithin)
-{
-    Node* node = NodeTraversal::previous(current, stayWithin);
-    while (node && !node->isElementNode())
-        node = NodeTraversal::previous(*node, stayWithin);
-    return toElement(node);
-}
-
 // Generic versions.
 template <class ElementType>
 template <class NodeType>