Revert 154457 - Switch from SignedSettings to DeviceSettingsService.

chrome/browser/chromeos/login/screen_locker.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/screen_locker.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 208 matching lines @@
 
 void ScreenLocker::Authenticate(const string16& password) {
   authentication_start_time_ = base::Time::Now();
   delegate_->SetInputEnabled(false);
   delegate_->OnAuthenticate();
 
   // If LoginPerformer instance exists,
   // initial online login phase is still active.
   if (LoginPerformer::default_performer()) {
     DVLOG(1) << "Delegating authentication to LoginPerformer.";
-    LoginPerformer::default_performer()->PerformLogin(
-        user_.email(), UTF16ToUTF8(password),
-        LoginPerformer::AUTH_MODE_INTERNAL);
+    LoginPerformer::default_performer()->Login(user_.email(),
+                                               UTF16ToUTF8(password));
   } else {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&Authenticator::AuthenticateToUnlock, authenticator_.get(),
                    user_.email(), UTF16ToUTF8(password)));
   }
 }
 
 void ScreenLocker::ClearErrors() {
   delegate_->ClearErrors();
@@ skipping 114 matching lines @@
   bool state = true;
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
       content::Source<ScreenLocker>(this),
       content::Details<bool>(&state));
   DBusThreadManager::Get()->GetPowerManagerClient()->
       NotifyScreenLockCompleted();
 }
 
 }  // namespace chromeos