Oilpan: Replace RefPtrs to Node and its subclasses in core/dom/ with Oilpan transtion types.

Source/core/dom/Node.h

Index: Source/core/dom/Node.h
diff --git a/Source/core/dom/Node.h b/Source/core/dom/Node.h
index e8124911044aa7d0ab540e315d376cb95429ceb1..d56e4864fd9a88125e26987e9901de476cb1990b 100644
--- a/Source/core/dom/Node.h
+++ b/Source/core/dom/Node.h
@@ -187,10 +187,10 @@ public:
 
     // These should all actually return a node, but this is only important for language bindings,
     // which will already know and hold a ref on the right node to return.
-    void insertBefore(PassRefPtr<Node> newChild, Node* refChild, ExceptionState& = ASSERT_NO_EXCEPTION);
-    void replaceChild(PassRefPtr<Node> newChild, Node* oldChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+    void insertBefore(PassRefPtrWillBeRawPtr<Node> newChild, Node* refChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+    void replaceChild(PassRefPtrWillBeRawPtr<Node> newChild, Node* oldChild, ExceptionState& = ASSERT_NO_EXCEPTION);
     void removeChild(Node* child, ExceptionState&);
-    void appendChild(PassRefPtr<Node> newChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+    void appendChild(PassRefPtrWillBeRawPtr<Node> newChild, ExceptionState& = ASSERT_NO_EXCEPTION);
 
     bool hasChildren() const { return firstChild(); }
     virtual PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = false) = 0;
@@ -885,6 +885,7 @@ inline bool isTreeScopeRoot(const Node& node)
 
 // Allow equality comparisons of Nodes by reference or pointer, interchangeably.
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_REFCOUNTED(Node)
+DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_RAWPTR(Node)
 
 
 #define DEFINE_NODE_TYPE_CASTS(thisType, predicate) \