Avoid calling GetNamedPipeClientProcessId() which is not available on XP.

remoting/host/win/wts_session_process_launcher.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_WIN_WTS_SESSION_PROCESS_LAUNCHER_H_
 #define REMOTING_HOST_WIN_WTS_SESSION_PROCESS_LAUNCHER_H_
 
 #include <windows.h>
 
 #include "base/basictypes.h"
@@ skipping 38 matching lines @@
       scoped_refptr<base::SingleThreadTaskRunner> main_message_loop,
       scoped_refptr<base::SingleThreadTaskRunner> ipc_message_loop);
 
   virtual ~WtsSessionProcessLauncher();
 
   // WorkerProcessLauncher::Delegate implementation.
   virtual bool DoLaunchProcess(
       const std::string& channel_name,
       base::win::ScopedHandle* process_exit_event_out) OVERRIDE;
   virtual void DoKillProcess(DWORD exit_code) OVERRIDE;
-  virtual void OnChannelConnected(DWORD peer_pid) OVERRIDE;
+  virtual void OnChannelConnected() OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // WtsConsoleObserver implementation.
   virtual void OnSessionAttached(uint32 session_id) OVERRIDE;
   virtual void OnSessionDetached() OVERRIDE;
 
  protected:
   // Stoppable implementation.
   virtual void DoStop() OVERRIDE;
 
@@ skipping 39 matching lines @@
   base::win::ScopedHandle session_token_;
 
   scoped_ptr<SasInjector> sas_injector_;
 
   DISALLOW_COPY_AND_ASSIGN(WtsSessionProcessLauncher);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_WTS_SESSION_PROCESS_LAUNCHER_H_