Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/chromeos/login/login_utils.cc

 // Copyright (c) 2011 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/login_utils.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 1047 matching lines @@
     if (std::count(language_codes.begin(), language_codes.end(),
                    candidate) == 0) {
       language_codes.push_back(candidate);
     }
   }
   // Save the preferred languages in the user's preferences.
   StringPrefMember language_preferred_languages;
   language_preferred_languages.Init(prefs::kLanguagePreferredLanguages,
                                     prefs, NULL);
   language_preferred_languages.SetValue(JoinString(language_codes, ','));
-  prefs->ScheduleSavePersistentPrefs();
 }
 
 scoped_refptr<Authenticator> LoginUtilsImpl::CreateAuthenticator(
     LoginStatusConsumer* consumer) {
   // Screen locker needs new Authenticator instance each time.
   if (ScreenLocker::default_screen_locker())
     authenticator_ = NULL;
 
   // In case of non-WebUI login new instance of Authenticator is supposed
   // to be created on each call.
@@ skipping 263 matching lines @@
   // browser before it is dereferenced by the login host.
   if (login_host) {
     login_host->OnSessionStart();
     login_host->SetStatusAreaVisible(true);
     login_host->SetStatusAreaEnabled(true);
     login_host = NULL;
   }
 }
 
 }  // namespace chromeos