Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/quota/StorageInfo.h

 /*
  * Copyright (C) 2014 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 22 matching lines @@
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class StorageInfo FINAL : public RefCountedWillBeGarbageCollectedFinalized<StorageInfo>, public ScriptWrappable {
-    DECLARE_GC_INFO;
 public:
     static PassRefPtrWillBeRawPtr<StorageInfo> create(unsigned long long usage, unsigned long long quota)
     {
         return adoptRefWillBeNoop(new StorageInfo(usage, quota));
     }
 
     unsigned long long usage() const { return m_usage; }
     unsigned long long quota() const { return m_quota; }
 
     ~StorageInfo();
 
     void trace(Visitor*) { }
 
 private:
     StorageInfo(unsigned long long usage, unsigned long long quota);
 
     unsigned long long m_usage;
     unsigned long long m_quota;
 };
 
 } // namespace WebCore
 
 #endif // StorageInfo_h