Pass the desktop session ID to the remoting network process.

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/macros.h"
 #include "base/process/process.h"
 #include "ipc/ipc_channel_handle.h"
@@ skipping 23 matching lines @@
   // the associated desktop session.
   virtual void DisconnectTerminal(
       DesktopSessionProxy* desktop_session_proxy) = 0;
 
   // Changes the screen resolution of the desktop session.
   virtual void SetScreenResolution(
       DesktopSessionProxy* desktop_session_proxy,
       const ScreenResolution& resolution) = 0;
 
   // Notifies the network process that |terminal_id| is now attached to
-  // a desktop integration process. |desktop_pipe| is the client end of the pipe
-  // opened by the desktop process.
+  // a desktop integration process. |session_id| is the id of the desktop
+  // session being attached. |desktop_pipe| is the client end of the pipe opened
+  // by the desktop process.
   virtual void OnDesktopSessionAgentAttached(
       int terminal_id,
+      int session_id,
       const IPC::ChannelHandle& desktop_pipe) = 0;
 
   // Notifies the network process that the daemon has disconnected the desktop
   // session from the associated desktop environment.
   virtual void OnTerminalDisconnected(int terminal_id) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DesktopSessionConnector);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_DESKTOP_SESSION_CONNECTOR_H_