Oilpan: move WorkerGlobalScope to oilpan's heap.

Source/modules/notifications/WorkerGlobalScopeNotifications.h

 /*
  * Copyright (C) 2008, 2009 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef WorkerGlobalScopeNotifications_h
 #define WorkerGlobalScopeNotifications_h
 
 #if ENABLE(LEGACY_NOTIFICATIONS)
 
-#include "core/workers/WorkerSupplementable.h"
 #include "heap/Handle.h"
+#include "platform/Supplementable.h"
 
 namespace WebCore {
 
 class NotificationCenter;
 class ExecutionContext;
 class WorkerGlobalScope;
 
-class WorkerGlobalScopeNotifications FINAL : public WorkerSupplement {
+class WorkerGlobalScopeNotifications FINAL : public NoBaseWillBeGarbageCollected<WorkerGlobalScopeNotifications>, public WillBeHeapSupplement<WorkerGlobalScope> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScopeNotifications);
 public:
     virtual ~WorkerGlobalScopeNotifications();
 
     static NotificationCenter* webkitNotifications(WorkerGlobalScope&);
     static WorkerGlobalScopeNotifications& from(WorkerGlobalScope&);
 
+    virtual void trace(Visitor*);
+
 private:
-    explicit WorkerGlobalScopeNotifications(WorkerGlobalScope&);
+    explicit WorkerGlobalScopeNotifications(WorkerGlobalScope*);
 
     NotificationCenter* webkitNotifications();
     static const char* supplementName();
 
-    WorkerGlobalScope& m_context;
-    RefPtrWillBePersistent<NotificationCenter> m_notificationCenter;
+    RawPtrWillBeMember<WorkerGlobalScope> m_context;
+    RefPtrWillBeMember<NotificationCenter> m_notificationCenter;
 };
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScopeNotifications_h
 
 #endif // ENABLE(LEGACY_NOTIFICATIONS)