Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/device_orientation/DeviceRotationRate.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:
  *
  * 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 16 matching lines @@
 #define DeviceRotationRate_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "heap/Handle.h"
 #include "modules/device_orientation/DeviceMotionData.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class DeviceRotationRate : public RefCountedWillBeGarbageCollectedFinalized<DeviceRotationRate>, public ScriptWrappable {
-    DECLARE_GC_INFO;
 public:
     static PassRefPtrWillBeRawPtr<DeviceRotationRate> create(PassRefPtrWillBeRawPtr<DeviceMotionData::RotationRate> rotationRate)
     {
         return adoptRefWillBeNoop(new DeviceRotationRate(rotationRate));
     }
     void trace(Visitor*);
 
     double alpha(bool& isNull) const;
     double beta(bool& isNull) const;
     double gamma(bool& isNull) const;
 
 private:
     DeviceRotationRate(PassRefPtrWillBeRawPtr<DeviceMotionData::RotationRate>);
 
     RefPtrWillBeMember<DeviceMotionData::RotationRate> m_rotationRate;
 };
 
 } // namespace WebCore
 
 #endif // DeviceRotationRate_h