Enable Oilpan for core/xml/

Source/core/xml/XPathNodeSet.h

Index: Source/core/xml/XPathNodeSet.h
diff --git a/Source/core/xml/XPathNodeSet.h b/Source/core/xml/XPathNodeSet.h
index 28b6ef63d94e8b1a464a8f68f910ae95b10c087b..2c4170c400c73de3914fc6deeca693519ea6aff9 100644
--- a/Source/core/xml/XPathNodeSet.h
+++ b/Source/core/xml/XPathNodeSet.h
@@ -34,12 +34,12 @@ namespace blink {
 
 namespace XPath {
 
-class NodeSet : public NoBaseWillBeGarbageCollected<NodeSet> {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+// FIXME: Oilpan: drop Finalized once Node is on the heap.
+class NodeSet final : public GarbageCollectedFinalized<NodeSet> {
 public:
-    static PassOwnPtrWillBeRawPtr<NodeSet> create() { return adoptPtrWillBeNoop(new NodeSet); }
-    static PassOwnPtrWillBeRawPtr<NodeSet> create(const NodeSet&);
-    void trace(Visitor* visitor) { visitor->trace(m_nodes); }
+    static NodeSet* create() { return new NodeSet; }
+    static NodeSet* create(const NodeSet&);
+    void trace(Visitor*);
 
     size_t size() const { return m_nodes.size(); }
     bool isEmpty() const { return !m_nodes.size(); }