RdpDesktopSession COM class should only use raw interfaces.

remoting/host/win/rdp_desktop_session.h

 // Copyright (c) 2013 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_RDP_DESKTOP_SESSION_H_
 #define REMOTING_HOST_WIN_RDP_DESKTOP_SESSION_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_comptr.h"
 // chromoting_lib.h contains MIDL-generated declarations.
 #include "remoting/host/chromoting_lib.h"
 #include "remoting/host/win/rdp_client.h"
 
 namespace net {
 class IPEndPoint;
 }  // namespace net
 
 namespace remoting {
 
 // Implements IRdpDesktopSession interface providing a way to host RdpClient
 // objects in a COM component.
 class __declspec(uuid(RDP_DESKTOP_SESSION_CLSID)) RdpDesktopSession
     : public ATL::CComObjectRootEx<ATL::CComSingleThreadModel>,
       public ATL::CComCoClass<RdpDesktopSession, &__uuidof(RdpDesktopSession)>,
-      public ATL::IDispatchImpl<IRdpDesktopSession, &IID_IRdpDesktopSession,
-                                &LIBID_ChromotingLib, 1, 0>,
+      public IRdpDesktopSession,
       public RdpClient::EventHandler {
  public:
   // Declare a class factory which must not lock the ATL module. This is the
   // same as DECLARE_CLASSFACTORY() with the exception that
   // ATL::CComObjectNoLock is used unconditionally.
   //
   // By default ATL generates locking class factories (by wrapping them in
   // ATL::CComObjectCached) for classes hosted in a DLL. This class is compiled
   // into a DLL but it is registered as an out-of-process class, so its class
   // factory should not use locking.
@@ skipping 10 matching lines @@
 
   DECLARE_NO_REGISTRY()
 
  private:
   // RdpClient::EventHandler interface.
   virtual void OnRdpConnected(const net::IPEndPoint& client_endpoint) OVERRIDE;
   virtual void OnRdpClosed() OVERRIDE;
 
   BEGIN_COM_MAP(RdpDesktopSession)
     COM_INTERFACE_ENTRY(IRdpDesktopSession)
-    COM_INTERFACE_ENTRY(IDispatch)
+    COM_INTERFACE_ENTRY(IUnknown)
   END_COM_MAP()
 
   // Implements loading and instantiation of the RDP ActiveX client.
   scoped_ptr<RdpClient> client_;
 
   // Holds a reference to the caller's EventHandler, through which notifications
   // are dispatched. Released in Disconnect(), to prevent further notifications.
   base::win::ScopedComPtr<IRdpDesktopSessionEventHandler> event_handler_;
 
   DECLARE_PROTECT_FINAL_CONSTRUCT()
 };
 
 } // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_RDP_DESKTOP_SESSION_H_