Convert //components/prefs from scoped_ptr to std::unique_ptr

components/prefs/pref_service_factory.h

 // 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.
 
 #ifndef COMPONENTS_PREFS_PREF_SERVICE_FACTORY_H_
 #define COMPONENTS_PREFS_PREF_SERVICE_FACTORY_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 49 matching lines @@
   // Specifies to use an actual file-backed user pref store.
   void SetUserPrefsFile(const base::FilePath& prefs_file,
                         base::SequencedTaskRunner* task_runner);
 
   void set_async(bool async) {
     async_ = async;
   }
 
   // Creates a PrefService object initialized with the parameters from
   // this factory.
-  scoped_ptr<PrefService> Create(PrefRegistry* registry);
+  std::unique_ptr<PrefService> Create(PrefRegistry* registry);
 
  protected:
   scoped_refptr<PrefStore> managed_prefs_;
   scoped_refptr<PrefStore> supervised_user_prefs_;
   scoped_refptr<PrefStore> extension_prefs_;
   scoped_refptr<PrefStore> command_line_prefs_;
   scoped_refptr<PersistentPrefStore> user_prefs_;
   scoped_refptr<PrefStore> recommended_prefs_;
 
   base::Callback<void(PersistentPrefStore::PrefReadError)> read_error_callback_;
 
   // Defaults to false.
   bool async_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PrefServiceFactory);
 };
 
 #endif  // COMPONENTS_PREFS_PREF_SERVICE_FACTORY_H_