Use scoped_ptr<> to pass ownership in more places.

remoting/host/event_executor.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_EVENT_EXECUTOR_H_
 #define REMOTING_HOST_EVENT_EXECUTOR_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "remoting/protocol/host_event_stub.h"
 
 class MessageLoop;
 
 namespace remoting {
 
 class Capturer;
 
 class EventExecutor : public protocol::HostEventStub {
  public:
   // Creates default event executor for the current platform.
-  // Does not take ownership of |message_loop| or |capturer|.
   static scoped_ptr<protocol::HostEventStub> Create(MessageLoop* message_loop,
                                                     Capturer* capturer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_EVENT_EXECUTOR_H_