Get rid of the overloads on templated traversal methods for clarity and safety

Source/wtf/TreeNode.h

Index: Source/wtf/TreeNode.h
diff --git a/Source/wtf/TreeNode.h b/Source/wtf/TreeNode.h
index 3cf52bace0f78cade95e26dead254085d78537d4..dd03e3d2d2126cb7c3a609b6c978d1e806353554 100644
--- a/Source/wtf/TreeNode.h
+++ b/Source/wtf/TreeNode.h
@@ -159,10 +159,6 @@ inline NodeType* traverseNext(const ContainerType& current)
     return 0;
 }
 
-template<class ContainerType>
-inline ContainerType* traverseNext(const ContainerType& current)
-{ return traverseNext<ContainerType, ContainerType>(current); }
-
 template<class NodeType, class ContainerType>
 inline NodeType* traverseNext(const ContainerType& current, const NodeType* stayWithin)
 {
@@ -182,10 +178,6 @@ inline NodeType* traverseNext(const ContainerType& current, const NodeType* stay
     return 0;
 }
 
-template<class ContainerType>
-inline ContainerType* traverseNext(const ContainerType& current, const ContainerType* stayWithin)
-{ return traverseNext<ContainerType, ContainerType>(current, stayWithin); }
-
 /* non-recursive post-order traversal */
 template<class NodeType, class ContainerType>
 inline NodeType* traverseFirstPostOrder(const ContainerType& current)
@@ -196,10 +188,6 @@ inline NodeType* traverseFirstPostOrder(const ContainerType& current)
     return first;
 }
 
-template<class ContainerType>
-inline ContainerType* traverseFirstPostOrder(const ContainerType& current)
-{ return traverseFirstPostOrder<ContainerType, ContainerType>(current); }
-
 template<class NodeType, class ContainerType>
 inline NodeType* traverseNextPostOrder(const ContainerType& current)
 {
@@ -211,10 +199,6 @@ inline NodeType* traverseNextPostOrder(const ContainerType& current)
     return nextSibling;
 }
 
-template<class ContainerType>
-inline ContainerType* traverseNextPostOrder(const ContainerType& current)
-{ return traverseNextPostOrder<ContainerType, ContainerType>(current); }
-
 template<class NodeType, class ContainerType>
 inline NodeType* traverseNextPostOrder(const ContainerType& current, const NodeType* stayWithin)
 {
@@ -229,10 +213,6 @@ inline NodeType* traverseNextPostOrder(const ContainerType& current, const NodeT
     return nextSibling;
 }
 
-template<class ContainerType>
-inline ContainerType* traverseNextPostOrder(const ContainerType& current, const ContainerType* stayWithin)
-{ return traverseNextPostOrder<ContainerType, ContainerType>(current, stayWithin); }
-
 /* non-recursive traversal skipping children */
 template <class NodeType, class ContainerType>
 inline NodeType* traverseNextSkippingChildren(const ContainerType& current)
@@ -247,10 +227,6 @@ inline NodeType* traverseNextSkippingChildren(const ContainerType& current)
     return 0;
 }
 
-template <class ContainerType>
-inline ContainerType* traverseNextSkippingChildren(const ContainerType& current)
-{ return traverseNextSkippingChildren<ContainerType, ContainerType>(current); }
-
 template <class NodeType, class ContainerType>
 inline NodeType* traverseNextSkippingChildren(const ContainerType& current, const NodeType* stayWithin)
 {
@@ -268,10 +244,6 @@ inline NodeType* traverseNextSkippingChildren(const ContainerType& current, cons
     return 0;
 }
 
-template <class ContainerType>
-inline ContainerType* traverseNextSkippingChildren(const ContainerType& current, const ContainerType* stayWithin)
-{ return traverseNextSkippingChildren<ContainerType, ContainerType>(current, stayWithin); }
-
 } // namespace WTF
 
 using WTF::TreeNode;