[oilpan] Make the oilpan branch build on Mac.

Source/core/dom/TreeScope.h

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  * Copyright (C) 2012 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 146 matching lines @@
     return m_elementsById && m_elementsById->containsMultiple(id.impl());
 }
 
 Node* nodeFromPoint(const Handle<Document>&, int x, int y, LayoutPoint* localPoint = 0);
 Result<TreeScope> commonTreeScope(Node*, Node*);
 
 template<> class AcceptTrait<TreeScope> {
 public:
     static void visit(Visitor* v, const TreeScope* self) { self->visitWith(v); }
     static intptr_t getTypeMarker() { return 0; }
-    static void check(Visitor* visitor, const TreeScope* t) { }
+    static void checkTypeMarker(Visitor* visitor, const TreeScope* t) { }
     static void accept(Visitor* visitor, void* self)
     {
         static_cast<TreeScope*>(self)->accept(visitor);
     }
 };
 
 } // namespace WebCore
 
 #endif // TreeScope_h