Use scoped_ptr<> to pass ownership in more places.

remoting/host/client_session.h

Index: remoting/host/client_session.h
diff --git a/remoting/host/client_session.h b/remoting/host/client_session.h
index 6103c0842e3b20b6f0eae6c8bc8d03fab18bde36..e3a4de18a643a1d4b5a1396b37d13777c9f7143d 100644
--- a/remoting/host/client_session.h
+++ b/remoting/host/client_session.h
@@ -57,10 +57,8 @@ class ClientSession : public protocol::HostEventStub,
         const net::IPEndPoint& local_end_point) = 0;
   };
 
-  // Takes ownership of |connection|. Does not take ownership of
-  // |event_handler|, |host_event_stub|, or |capturer|.
   ClientSession(EventHandler* event_handler,
-                protocol::ConnectionToClient* connection,
+                scoped_ptr<protocol::ConnectionToClient> connection,
                 protocol::HostEventStub* host_event_stub,
                 Capturer* capturer);
   virtual ~ClientSession();