Move PrefRegistrySimple to use unique_ptr<Value>

chrome/browser/signin/easy_unlock_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/signin/easy_unlock_service.h"
 
 #include <utility>
 
 #include "apps/app_lifetime_monitor.h"
 #include "apps/app_lifetime_monitor_factory.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/sys_info.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/chrome_proximity_auth_client.h"
@@ skipping 222 matching lines @@
 
 EasyUnlockService::~EasyUnlockService() {
 }
 
 // static
 void EasyUnlockService::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterBooleanPref(prefs::kEasyUnlockAllowed, true);
   registry->RegisterBooleanPref(prefs::kEasyUnlockEnabled, false);
   registry->RegisterDictionaryPref(prefs::kEasyUnlockPairing,
-                                   new base::DictionaryValue());
+                                   base::MakeUnique<base::DictionaryValue>());
   registry->RegisterBooleanPref(
       prefs::kEasyUnlockProximityRequired,
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 
   cryptauth::CryptAuthGCMManager::RegisterPrefs(registry);
   cryptauth::CryptAuthDeviceManager::RegisterPrefs(registry);
   cryptauth::CryptAuthEnrollmentManager::RegisterPrefs(registry);
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 613 matching lines @@
 
   // TODO(tbarzic): Set check_private_key only if previous sign-in attempt
   // failed.
   EasyUnlockTpmKeyManagerFactory::GetInstance()->Get(profile_)
       ->PrepareTpmKey(true /* check_private_key */,
                       base::Closure());
 #endif  // defined(OS_CHROMEOS)
 
   tpm_key_checked_ = true;
 }