Oilpan: Move WorkerClients to the managed heap and trace its supplements.

Source/core/workers/WorkerMessagingProxy.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 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 64 matching lines @@
         OwnPtr<MessagePortArray> ports = MessagePort::entanglePorts(*scriptContext, m_channels.release());
         context->dispatchEvent(MessageEvent::create(ports.release(), m_message));
         context->thread()->workerObjectProxy().confirmMessageFromWorkerObject(context->hasPendingActivity());
     }
 
 private:
     RefPtr<SerializedScriptValue> m_message;
     OwnPtr<MessagePortChannelArray> m_channels;
 };
 
-WorkerMessagingProxy::WorkerMessagingProxy(Worker* workerObject, PassOwnPtr<WorkerClients> workerClients)
+WorkerMessagingProxy::WorkerMessagingProxy(Worker* workerObject, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients)
     : m_executionContext(workerObject->executionContext())
     , m_workerObjectProxy(WorkerObjectProxy::create(m_executionContext.get(), this))
     , m_workerObject(workerObject)
     , m_mayBeDestroyed(false)
     , m_unconfirmedMessageCount(0)
     , m_workerThreadHadPendingActivity(false)
     , m_askedToTerminate(false)
     , m_pageInspector(0)
     , m_workerClients(workerClients)
 {
@@ skipping 201 matching lines @@
 {
     m_workerThreadHadPendingActivity = hasPendingActivity;
 }
 
 bool WorkerMessagingProxy::hasPendingActivity() const
 {
     return (m_unconfirmedMessageCount || m_workerThreadHadPendingActivity) && !m_askedToTerminate;
 }
 
 } // namespace WebCore