Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/notifications/WebKitNotification.h

 /*
  * 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 30 matching lines @@
 
 namespace WebCore {
 
 class ExceptionState;
 class ExecutionContext;
 class NotificationCenter;
 
 // Implementation of the legacy notification API as specified the following page:
 // http://chromium.org/developers/design-documents/desktop-notifications/api-specification
 class WebKitNotification FINAL : public RefCountedWillBeRefCountedGarbageCollected<WebKitNotification>, public NotificationBase {
-    DECLARE_GC_INFO;
     DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<WebKitNotification>);
 
 public:
     static PassRefPtrWillBeRawPtr<WebKitNotification> create(const String& title, const String& body, const String& iconUrl, ExecutionContext*, ExceptionState&, PassRefPtrWillBeRawPtr<NotificationCenter> provider);
 
     virtual ~WebKitNotification();
 
     void cancel() { close(); }
 
     DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(display, show);
 
     String replaceId() const { return tag(); }
     void setReplaceId(const String& replaceId) { setTag(replaceId); }
 
     // EventTarget interface
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
     void trace(Visitor*) { }
 
 private:
     WebKitNotification(const String& title, const String& body, const String& iconUrl, ExecutionContext*, ExceptionState&, PassRefPtrWillBeRawPtr<NotificationCenter> provider);
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
 #endif // WebKitNotification_h