Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/chromeos/login/user_manager_impl.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/user_manager_impl.h"
 
 #include <cstddef>
 #include <set>
 #include <vector>
 
@@ skipping 130 matching lines @@
     }
     users_vector->push_back(email);
   }
   users_set->erase(logged_in_user);
   return logged_in_user_on_list;
 }
 
 }  // namespace
 
 // static
-void UserManager::RegisterPrefs(PrefServiceSimple* local_state) {
+void UserManager::RegisterPrefs(PrefRegistrarSimple* local_state) {
   local_state->RegisterListPref(kRegularUsers);
   local_state->RegisterListPref(kPublicAccounts);
   local_state->RegisterStringPref(kPublicAccountPendingDataRemoval, "");
   local_state->RegisterDictionaryPref(kUserOAuthTokenStatus);
   local_state->RegisterDictionaryPref(kUserDisplayName);
   local_state->RegisterDictionaryPref(kUserDisplayEmail);
   SessionLengthLimiter::RegisterPrefs(local_state);
 }
 
 UserManagerImpl::UserManagerImpl()
@@ skipping 789 matching lines @@
         device_local_account_policy_service_->GetBrokerForAccount(username);
     if (broker)
       display_name = broker->GetDisplayName();
   }
 
   // Set or clear the display name.
   SaveUserDisplayName(username, UTF8ToUTF16(display_name));
 }
 
 }  // namespace chromeos