Remove Thread wrapper class in forwarder2.

tools/android/forwarder2/command.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TOOLS_ANDROID_FORWARDER2_COMMAND_H_
 #define TOOLS_ANDROID_FORWARDER2_COMMAND_H_
 
 #include "base/basictypes.h"
 
 namespace forwarder2 {
 
 class Socket;
 
 namespace command {
 
 enum Type {
   ACCEPT_ERROR = 0,
   ACCEPT_SUCCESS,
   ACK,
   ADB_DATA_SOCKET_ERROR,
   ADB_DATA_SOCKET_SUCCESS,
   BIND_ERROR,
   BIND_SUCCESS,
   DATA_CONNECTION,
   HOST_SERVER_ERROR,
   HOST_SERVER_SUCCESS,
   KILL_ALL_LISTENERS,
   LISTEN,
-  UNMAP_PORT,
-  UNMAP_PORT_ERROR,
-  UNMAP_PORT_SUCCESS,
+  UNLISTEN,
+  UNLISTEN_ERROR,
+  UNLISTEN_SUCCESS,
 };
 
 }  // namespace command
 
 bool ReadCommand(Socket* socket,
                  int* port_out,
                  command::Type* command_type_out);
 
 // Helper function to read the command from the |socket| and return true if the
 // |command| is equal to the given command parameter.
 bool ReceivedCommand(command::Type command, Socket* socket);
 
 bool SendCommand(command::Type command, int port, Socket* socket);
 
 }  // namespace forwarder
 
 #endif  // TOOLS_ANDROID_FORWARDER2_COMMAND_H_