Convert //ash from scoped_ptr to std::unique_ptr

ash/test/test_session_state_delegate.h

 // Copyright (c) 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.
 
 #ifndef ASH_TEST_TEST_SESSION_STATE_DELEGATE_H_
 #define ASH_TEST_TEST_SESSION_STATE_DELEGATE_H_
 
+#include <memory>
 #include <vector>
 
 #include "ash/session/session_state_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/image/image_skia.h"
 
 class AccountId;
 
 namespace ash {
 namespace test {
 
 class MockUserInfo;
 
 class TestSessionStateDelegate : public SessionStateDelegate {
@@ skipping 76 matching lines @@
 
   // The number of users logged in.
   int logged_in_users_;
 
   // The index for the activated user.
   int active_user_index_;
 
   std::vector<MockUserInfo*> user_list_;
 
   // The user manager to be used instead of the system instance.
-  scoped_ptr<TestUserManager> user_manager_;
+  std::unique_ptr<TestUserManager> user_manager_;
 
   // The current state of the login screen. |session_state_| becomes active
   // before the profile and browser UI are available.
   SessionState session_state_;
 
   DISALLOW_COPY_AND_ASSIGN(TestSessionStateDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_SESSION_STATE_DELEGATE_H_