Replace scoped_ptr with unique_ptr in webrtc/p2p/

webrtc/p2p/base/tcpport.h

Index: webrtc/p2p/base/tcpport.h
diff --git a/webrtc/p2p/base/tcpport.h b/webrtc/p2p/base/tcpport.h
index cfc6245601e9cd004713c77381053bce6f8ab176..77bbd09eab0e2da449e72c6df467eb609e0044c8 100644
--- a/webrtc/p2p/base/tcpport.h
+++ b/webrtc/p2p/base/tcpport.h
@@ -12,7 +12,9 @@
 #define WEBRTC_P2P_BASE_TCPPORT_H_
 
 #include <list>
+#include <memory>
 #include <string>
+
 #include "webrtc/p2p/base/port.h"
 #include "webrtc/base/asyncpacketsocket.h"
 
@@ -164,7 +166,7 @@ class TCPConnection : public Connection {
                     const rtc::PacketTime& packet_time);
   void OnReadyToSend(rtc::AsyncPacketSocket* socket);
 
-  rtc::scoped_ptr<rtc::AsyncPacketSocket> socket_;
+  std::unique_ptr<rtc::AsyncPacketSocket> socket_;
   int error_;
   bool outgoing_;