Convert //chrome/browser/supervised_user from scoped_ptr to std::unique_ptr

chrome/browser/supervised_user/supervised_user_pref_store.h

 // Copyright 2014 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 CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
 
+#include <memory>
 #include <string>
 
 #include "base/callback_list.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/supervised_user/supervised_users.h"
 #include "components/prefs/pref_store.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace base {
 class DictionaryValue;
 class Value;
@@ skipping 21 matching lines @@
   // NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& src,
                const content::NotificationDetails& details) override;
 
  private:
   ~SupervisedUserPrefStore() override;
 
   void OnNewSettingsAvailable(const base::DictionaryValue* settings);
 
-  scoped_ptr<base::CallbackList<void(
-      const base::DictionaryValue*)>::Subscription> user_settings_subscription_;
+  std::unique_ptr<
+      base::CallbackList<void(const base::DictionaryValue*)>::Subscription>
+      user_settings_subscription_;
   content::NotificationRegistrar unsubscriber_registrar_;
 
-  scoped_ptr<PrefValueMap> prefs_;
+  std::unique_ptr<PrefValueMap> prefs_;
 
   base::ObserverList<PrefStore::Observer, true> observers_;
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_