Clean up PlatformThread.

webrtc/test/channel_transport/udp_socket_manager_posix.h

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 57 matching lines @@
     virtual bool RemoveSocket(UdpSocketWrapper* s);
 
 protected:
     static bool Run(void* obj);
     bool Process();
     void UpdateSocketMap();
 
 private:
     typedef std::list<UdpSocketWrapper*> SocketList;
     typedef std::list<SOCKET> FdList;
-    rtc::scoped_ptr<PlatformThread> _thread;
+    rtc::PlatformThread _thread;
     CriticalSectionWrapper* _critSectList;
 
     fd_set _readFds;
 
     std::map<SOCKET, UdpSocketPosix*> _socketMap;
     SocketList _addList;
     FdList _removeList;
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET_MANAGER_POSIX_H_