Adding a unit test to verify the IPC channel between the network and desktop processes.

remoting/host/desktop_session_connector.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 REMOTING_HOST_DESKTOP_SESSION_CONNECTOR_H_
 #define REMOTING_HOST_DESKTOP_SESSION_CONNECTOR_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/process.h"
 #include "ipc/ipc_platform_file.h"
 
 namespace remoting {
 
 class DesktopSessionProxy;
 
 // Provides a way to connect a terminal (i.e. a remote client) with a desktop
 // session (i.e. the screen, keyboard and the rest).
 class DesktopSessionConnector {
  public:
   DesktopSessionConnector() {}
   virtual ~DesktopSessionConnector() {}
 
   // Requests the daemon process to create a desktop session and associates
   // |desktop_session_proxy| with it.
   virtual void ConnectTerminal(
       scoped_refptr<DesktopSessionProxy> desktop_session_proxy) = 0;
 
   // Requests the daemon process disconnect |desktop_session_proxy| from
   // the associated desktop session.
   virtual void DisconnectTerminal(
       scoped_refptr<DesktopSessionProxy> desktop_session_proxy) = 0;
 
   // Notifies the network process that |terminal_id| is now attached to
   // a desktop integration process. |desktop_process| specifies the process
   // handle. |desktop_pipe| is the client end of the pipe opened by the desktop
   // process.
   virtual void OnDesktopSessionAgentAttached(
       int terminal_id,
-      IPC::PlatformFileForTransit desktop_process,
+      base::ProcessHandle desktop_process,
       IPC::PlatformFileForTransit desktop_pipe) = 0;
 
   // Notifies the network process that the daemon has disconnected the desktop
   // session from the associated descktop environment.
   virtual void OnTerminalDisconnected(int terminal_id) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DesktopSessionConnector);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_DESKTOP_SESSION_CONNECTOR_H_