Clean up remoting project

remoting/host/curtain_win.cc

 // Copyright (c) 2011 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.
 
-#include "remoting/host/curtain_win.h"
+#include "remoting/host/curtain.h"
+
+#include "base/compiler_specific.h"
 #include "base/logging.h"
 
 namespace remoting {
 
+namespace {
+
+class CurtainWin : public Curtain {
+ public:
+  virtual void EnableCurtainMode(bool enable) OVERRIDE;
+};
+
 void CurtainWin::EnableCurtainMode(bool enable) {
   NOTIMPLEMENTED();
 }
 
+}  // namespace
+
 Curtain* Curtain::Create() {
   return new CurtainWin();
 }
 
 }  // namespace remoting