Use scoped_ptr<> to pass ownership in more places.

remoting/host/local_input_monitor.h

 // 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.
 
 #ifndef REMOTING_LOCAL_INPUT_MONITOR_H_
 #define REMOTING_LOCAL_INPUT_MONITOR_H_
 
+#include "base/memory/scoped_ptr.h"
+
 namespace remoting {
 
 class ChromotingHost;
 
 class LocalInputMonitor {
  public:
   virtual ~LocalInputMonitor() {}
 
   virtual void Start(ChromotingHost* host) = 0;
   virtual void Stop() = 0;
 
-  static LocalInputMonitor* Create();
+  static scoped_ptr<LocalInputMonitor> Create();
 };
 
 }  // namespace remoting
 
 #endif