Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/testing/InternalProfilers.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #define InternalProfilers_h
 
 #include "heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class InternalProfilers : public RefCountedWillBeGarbageCollected<InternalProfilers> {
-    DECLARE_GC_INFO;
 public:
     static PassRefPtrWillBeRawPtr<InternalProfilers> create()
     {
         return adoptRefWillBeNoop(new InternalProfilers());
     }
 
     void startHeapProfiling(const String& prefix);
     void stopHeapProfiling();
     void dumpHeapProfiling(const String& reason);
     String getHeapProfile();
 
     void trace(Visitor*) { }
 };
 
 } // namespace WebCore
 
 #endif