Fix wrong usage of MethodCall resposne.

chromeos/dbus/ibus/ibus_engine_factory_service.cc

 // 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.
 
 #include "chromeos/dbus/ibus/ibus_engine_factory_service.h"
 
 #include "base/string_number_conversions.h"
 #include "chromeos/dbus/ibus/ibus_constants.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
@@ skipping 47 matching lines @@
     dbus::MessageReader reader(method_call);
     std::string engine_name;
 
     if (!reader.PopString(&engine_name)) {
       LOG(ERROR) << "Expected argument is string.";
       return;
     }
     if(create_engine_handler_.is_null()) {
       LOG(WARNING) << "The CreateEngine handler is NULL.";
     } else {
+      dbus::Response* response = dbus::Response::FromMethodCall(method_call);
+      dbus::MessageWriter writer(response);
       const dbus::ObjectPath path = create_engine_handler_.Run(engine_name);
-      scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
-      dbus::MessageWriter writer(response.get());
       writer.AppendObjectPath(path);
-      response_sender.Run(response.get());
+      response_sender.Run(response);
     }
   }
 
   // Called when the CreateEngine method is exported.
   void CreateEngineExported(const std::string& interface_name,
                             const std::string& method_name,
                             bool success) {
     DCHECK(success) << "Failed to export: "
                     << interface_name << "." << method_name;
   }
@@ skipping 32 matching lines @@
 IBusEngineFactoryService* IBusEngineFactoryService::Create(
     dbus::Bus* bus,
     DBusClientImplementationType type) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new IBusEngineFactoryServiceImpl(bus);
   else
     return new IBusEngineFactoryServiceStubImpl();
 }
 
 }  // namespace chromeos