Oilpan: move WorkerGlobalScope to oilpan's heap.

Source/modules/notifications/WorkerGlobalScopeNotifications.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 2011 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 37 matching lines @@
 const char* WorkerGlobalScopeNotifications::supplementName()
 {
     return "WorkerGlobalScopeNotifications";
 }
 
 WorkerGlobalScopeNotifications& WorkerGlobalScopeNotifications::from(WorkerGlobalScope& context)
 {
     WorkerGlobalScopeNotifications* supplement = static_cast<WorkerGlobalScopeNotifications*>(WorkerSupplement::from(context, supplementName()));
     if (!supplement) {
         supplement = new WorkerGlobalScopeNotifications(context);
-        WorkerSupplement::provideTo(context, supplementName(), adoptPtr(supplement));
+        WorkerSupplement::provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
 NotificationCenter* WorkerGlobalScopeNotifications::webkitNotifications(WorkerGlobalScope& context)
 {
     return WorkerGlobalScopeNotifications::from(context).webkitNotifications();
 }
 
 NotificationCenter* WorkerGlobalScopeNotifications::webkitNotifications()
 {
     if (!m_notificationCenter)
         m_notificationCenter = NotificationCenter::create(&m_context, m_context.thread()->getNotificationClient());
     return m_notificationCenter.get();
 }
 
+void WorkerGlobalScopeNotifications::trace(Visitor* visitor)
+{
+    visitor->trace(m_notificationCenter);
+}
+
 } // namespace WebCore
 
 #endif // ENABLE(LEGACY_NOTIFICATIONS)