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

components/sync_driver/sync_prefs.h

 // 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.
 
 #ifndef COMPONENTS_SYNC_DRIVER_SYNC_PREFS_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_PREFS_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "components/prefs/pref_member.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/sync_encryption_handler.h"
 
 class PrefService;
@@ skipping 146 matching lines @@
 
   // Get/set for flag indicating that passphrase encryption transition is in
   // progress.
   void SetPassphraseEncryptionTransitionInProgress(bool value);
   bool GetPassphraseEncryptionTransitionInProgress() const;
 
   // Get/set for saved Nigori state that needs to be passed to backend
   // initialization after transition.
   void SetSavedNigoriStateForPassphraseEncryptionTransition(
       const syncer::SyncEncryptionHandler::NigoriState& nigori_state);
-  scoped_ptr<syncer::SyncEncryptionHandler::NigoriState>
+  std::unique_ptr<syncer::SyncEncryptionHandler::NigoriState>
   GetSavedNigoriStateForPassphraseEncryptionTransition() const;
 
  private:
   void RegisterPrefGroups();
 
   static void RegisterDataTypePreferredPref(
       user_prefs::PrefRegistrySyncable* prefs,
       syncer::ModelType type,
       bool is_preferred);
   bool GetDataTypePreferred(syncer::ModelType type) const;
@@ skipping 24 matching lines @@
   // etc.
   typedef std::map<syncer::ModelType, syncer::ModelTypeSet> PrefGroupsMap;
   PrefGroupsMap pref_groups_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncPrefs);
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_PREFS_H_