Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/timing/PerformanceNavigation.cpp

 /*
  * Copyright (C) 2010 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/timing/PerformanceNavigation.h"
 
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/frame/Frame.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(PerformanceNavigation);
-
 PerformanceNavigation::PerformanceNavigation(Frame* frame)
     : DOMWindowProperty(frame)
 {
     ScriptWrappable::init(this);
 }
 
 unsigned short PerformanceNavigation::type() const
 {
     if (!m_frame)
         return TYPE_NAVIGATE;
@@ skipping 23 matching lines @@
         return 0;
 
     DocumentLoadTiming* timing = loader->timing();
     if (timing->hasCrossOriginRedirect())
         return 0;
 
     return timing->redirectCount();
 }
 
 } // namespace WebCore