Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/timing/PerformanceTiming.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 24 matching lines @@
 #include "core/dom/DocumentTiming.h"
 #include "core/frame/Frame.h"
 #include "core/loader/DocumentLoadTiming.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "platform/network/ResourceLoadTiming.h"
 #include "platform/network/ResourceResponse.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(PerformanceTiming);
-
 static unsigned long long toIntegerMilliseconds(double seconds)
 {
     ASSERT(seconds >= 0);
     return static_cast<unsigned long long>(seconds * 1000.0);
 }
 
 PerformanceTiming::PerformanceTiming(Frame* frame)
     : DOMWindowProperty(frame)
 {
     ScriptWrappable::init(this);
@@ skipping 294 matching lines @@
 {
     ASSERT(monotonicSeconds >= 0);
     const DocumentLoadTiming* timing = documentLoadTiming();
     if (!timing)
         return 0;
 
     return toIntegerMilliseconds(timing->monotonicTimeToPseudoWallTime(monotonicSeconds));
 }
 
 } // namespace WebCore