Oilpan: switch some leftover raw references over to traced Member<>s.

Source/modules/websockets/DOMWebSocket.cpp

 /*
  * Copyright (C) 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:
  *
  *     * 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 135 matching lines @@
 
 void DOMWebSocket::EventQueue::resumeTimerFired(Timer<EventQueue>*)
 {
     ASSERT(m_state == Suspended);
     m_state = Active;
     dispatchQueuedEvents();
 }
 
 DEFINE_TRACE(DOMWebSocket::EventQueue)
 {
+    visitor->trace(m_target);
     visitor->trace(m_events);
 }
 
 const size_t maxReasonSizeInBytes = 123;
 
 static inline bool isValidSubprotocolCharacter(UChar character)
 {
     const UChar minimumProtocolCharacter = '!'; // U+0021.
     const UChar maximumProtocolCharacter = '~'; // U+007E.
     // Set to true if character does not matches "separators" ABNF defined in
@@ skipping 520 matching lines @@
 DEFINE_TRACE(DOMWebSocket)
 {
     visitor->trace(m_channel);
     visitor->trace(m_eventQueue);
     WebSocketChannelClient::trace(visitor);
     RefCountedGarbageCollectedEventTargetWithInlineData<DOMWebSocket>::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink