Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/device_orientation/DeviceAcceleration.cpp

 /*
  * 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 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/device_orientation/DeviceAcceleration.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(DeviceAcceleration);
-
 DeviceAcceleration::DeviceAcceleration(PassRefPtrWillBeRawPtr<DeviceMotionData::Acceleration> acceleration)
     : m_acceleration(acceleration)
 {
     ScriptWrappable::init(this);
 }
 
 void DeviceAcceleration::trace(Visitor* visitor)
 {
     visitor->trace(m_acceleration);
 }
@@ skipping 19 matching lines @@
 double DeviceAcceleration::z(bool& isNull) const
 {
     if (m_acceleration->canProvideZ())
         return m_acceleration->z();
 
     isNull = true;
     return 0;
 }
 
 } // namespace WebCore