#include "heap/stubs.h"
-namespace WebCore {
+namespace blink {
class A : public GarbageCollected<A> {
public:
void trace(Visitor*); // Cannot override a non-virtual trace.
};
+class D : public B {
+public:
+ virtual void trace(Visitor*); // Cannot override a non-virtual trace.
+};
+
}
#endif