Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/testing/LayerRectList.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:
  *
  *     * 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 19 matching lines @@
 
 #include "config.h"
 #include "core/testing/LayerRectList.h"
 
 #include "core/dom/ClientRect.h"
 #include "core/dom/Node.h"
 #include "core/testing/LayerRect.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(LayerRectList);
-
 LayerRectList::LayerRectList()
 {
 }
 
 LayerRectList::~LayerRectList()
 {
 }
 
 unsigned LayerRectList::length() const
 {
@@ skipping 12 matching lines @@
 {
     m_list.append(LayerRect::create(layerRootNode, layerType, layerRelativeRect));
 }
 
 void LayerRectList::trace(Visitor* visitor)
 {
     visitor->trace(m_list);
 }
 
 } // namespace WebCore