Oilpan: Fix RawPtr to Member in MediaKeySession::PendingAction

Source/modules/encryptedmedia/MediaKeySession.cpp

 /*
  * Copyright (C) 2013 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 87 matching lines @@
         return new PendingAction(Message, event);
     }
 
     ~PendingAction()
     {
     }
 
     void trace(Visitor* visitor)
     {
         visitor->trace(m_result);
+        visitor->trace(m_event);
     }
 
 private:
     PendingAction(Type type, ContentDecryptionModuleResult* result, PassRefPtr<ArrayBuffer> data)
         : m_type(type)
         , m_result(result)
         , m_data(data)
     {
     }
 
     PendingAction(Type type, PassRefPtrWillBeRawPtr<Event> event)
         : m_type(type)
         , m_event(event)
     {
     }
 
     const Type m_type;
     const Member<ContentDecryptionModuleResult> m_result;
     const RefPtr<ArrayBuffer> m_data;
-    const RefPtrWillBeRawPtr<Event> m_event;
+    const RefPtrWillBeMember<Event> m_event;
 };
 
 // This class allows a MediaKeySession object to be created asynchronously.
 class MediaKeySessionInitializer : public ScriptPromiseResolver {
     WTF_MAKE_NONCOPYABLE(MediaKeySessionInitializer);
 
 public:
     static ScriptPromise create(ScriptState*, MediaKeys*, const String& initDataType, PassRefPtr<ArrayBuffer> initData, const String& sessionType);
     virtual ~MediaKeySessionInitializer();
 
@@ skipping 485 matching lines @@
 {
     visitor->trace(m_error);
     visitor->trace(m_asyncEventQueue);
     visitor->trace(m_pendingActions);
     visitor->trace(m_keys);
     visitor->trace(m_closedPromise);
     EventTargetWithInlineData::trace(visitor);
 }
 
 }