Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 42 matching lines @@
 #include "platform/network/ResourceRequest.h"
 #include "public/platform/Platform.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/ArrayBufferView.h"
 #include "wtf/RefCountedLeakCounter.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/CString.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(XMLHttpRequest);
-
 DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, xmlHttpRequestCounter, ("XMLHttpRequest"));
 
 // Histogram enum to see when we can deprecate xhr.send(ArrayBuffer).
 enum XMLHttpRequestSendArrayBufferOrView {
     XMLHttpRequestSendArrayBuffer,
     XMLHttpRequestSendArrayBufferView,
     XMLHttpRequestSendArrayBufferOrViewMax,
 };
 
 struct XMLHttpRequestStaticData {
@@ skipping 1348 matching lines @@
 {
     return EventTargetNames::XMLHttpRequest;
 }
 
 ExecutionContext* XMLHttpRequest::executionContext() const
 {
     return ActiveDOMObject::executionContext();
 }
 
 } // namespace WebCore