Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/encoding/TextEncoder.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 27 matching lines @@
 #include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncoding.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class Dictionary;
 class ExceptionState;
 
 class TextEncoder FINAL : public RefCountedWillBeGarbageCollectedFinalized<TextEncoder> {
-    DECLARE_GC_INFO;
 public:
     static PassRefPtrWillBeRawPtr<TextEncoder> create(const String& utfLabel, ExceptionState&);
     ~TextEncoder();
 
     // Implement the IDL
     String encoding() const;
     PassRefPtr<Uint8Array> encode(const String&, const Dictionary&);
 
     void trace(Visitor*) { }
 
 private:
     TextEncoder(const String& encoding);
 
     WTF::TextEncoding m_encoding;
     OwnPtr<WTF::TextCodec> m_codec;
 };
 
 } // namespace WebCore
 
 #endif // TextEncoder_h