Fix leak in MockLoginDisplayHost

chrome/browser/chromeos/login/mock_login_display_host.cc

 // Copyright 2013 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 "chrome/browser/chromeos/login/mock_login_display_host.h"
 
 #include "chrome/test/base/ui_test_utils.h"
 
 namespace chromeos {
 
 MockLoginDisplayHost::MockLoginDisplayHost() {
 }
 
 MockLoginDisplayHost::~MockLoginDisplayHost() {
 }
 
 void MockLoginDisplayHost::StartWizard(
     const std::string& name,
     scoped_ptr<base::DictionaryValue> value) {
-  return StartWizardPtr(name, value.release());
+  return StartWizardPtr(name, value.get());
 }
 
 }  // namespace chromeos