Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/browser/supervised_user/supervised_user_whitelist_service.cc

 // 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.
 
 #include "chrome/browser/supervised_user/supervised_user_whitelist_service.h"
 
 #include <stddef.h>
 
 #include <string>
+#include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/string_split.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
 #include "chrome/browser/supervised_user/supervised_user_site_list.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/pref_registry/pref_registry_syncable.h"
@@ skipping 252 matching lines @@
 }
 
 void SupervisedUserWhitelistService::AddNewWhitelist(
     base::DictionaryValue* pref_dict,
     const sync_pb::ManagedUserWhitelistSpecifics& whitelist) {
   base::RecordAction(base::UserMetricsAction("ManagedUsers_Whitelist_Added"));
 
   RegisterWhitelist(whitelist.id(), whitelist.name(), FROM_SYNC);
   std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
   SetWhitelistProperties(dict.get(), whitelist);
-  pref_dict->SetWithoutPathExpansion(whitelist.id(), dict.release());
+  pref_dict->SetWithoutPathExpansion(whitelist.id(), std::move(dict));
 }
 
 void SupervisedUserWhitelistService::SetWhitelistProperties(
     base::DictionaryValue* dict,
     const sync_pb::ManagedUserWhitelistSpecifics& whitelist) {
   dict->SetString(kName, whitelist.name());
 }
 
 void SupervisedUserWhitelistService::RemoveWhitelist(
     base::DictionaryValue* pref_dict,
@@ skipping 61 matching lines @@
   UMA_HISTOGRAM_TIMES("ManagedUsers.Whitelist.TotalLoadDuration",
                       base::TimeTicks::Now() - start_time);
 
   // If the whitelist has been unregistered in the mean time, ignore it.
   if (registered_whitelists_.count(id) == 0u)
     return;
 
   loaded_whitelists_[id] = whitelist;
   NotifyWhitelistsChanged();
 }