Oilpan: add explicit Persistent<T>(T&) and Member<T>(T&) constructors.

Source/modules/websockets/WorkerThreadableWebSocketChannel.cpp

 /*
  * Copyright (C) 2011, 2012 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 92 matching lines @@
         , m_sendRequestResult(WebSocketChannel::SendFail)
         , m_bufferedAmount(0)
     {
     }
 
     OwnPtr<blink::WebWaitableEvent> m_event;
     WebSocketChannel::SendResult m_sendRequestResult;
     unsigned long m_bufferedAmount;
 };
 
-WorkerThreadableWebSocketChannel::WorkerThreadableWebSocketChannel(WorkerGlobalScope* context, WebSocketChannelClient* client, const String& sourceURL, unsigned lineNumber)
+WorkerThreadableWebSocketChannel::WorkerThreadableWebSocketChannel(WorkerGlobalScope& context, WebSocketChannelClient* client, const String& sourceURL, unsigned lineNumber)
     : m_workerGlobalScope(context)
     , m_workerClientWrapper(ThreadableWebSocketChannelClientWrapper::create(client))
     , m_bridge(Bridge::create(m_workerClientWrapper, m_workerGlobalScope))
     , m_sourceURLAtConnection(sourceURL)
     , m_lineNumberAtConnection(lineNumber)
 {
     m_bridge->initialize(sourceURL, lineNumber);
 }
 
 WorkerThreadableWebSocketChannel::~WorkerThreadableWebSocketChannel()
@@ skipping 451 matching lines @@
 }
 
 void WorkerThreadableWebSocketChannel::Bridge::terminatePeer()
 {
     m_loaderProxy.postTaskToLoader(CallClosureTask::create(bind(&Peer::destroy, m_peer)));
     m_workerGlobalScope = nullptr;
     m_syncHelper = 0;
 }
 
 } // namespace WebCore