ScreenObserver is renamed to BaseScreenDelegate.

chrome/browser/chromeos/login/screens/error_screen.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/screens/error_screen.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chromeos/login/auth/chrome_login_performer.h"
 #include "chrome/browser/chromeos/login/chrome_restart_request.h"
 #include "chrome/browser/chromeos/login/screens/error_screen_actor.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 
 namespace chromeos {
 
-ErrorScreen::ErrorScreen(ScreenObserver* screen_observer,
+ErrorScreen::ErrorScreen(BaseScreenDelegate* base_screen_delegate,
                          ErrorScreenActor* actor)
-    : BaseScreen(screen_observer),
+    : BaseScreen(base_screen_delegate),
       actor_(actor),
       parent_screen_(OobeDisplay::SCREEN_UNKNOWN),
       weak_factory_(this) {
   CHECK(actor_);
   actor_->SetDelegate(this);
 }
 
 ErrorScreen::~ErrorScreen() {
   if (actor_)
     actor_->SetDelegate(NULL);
@@ skipping 145 matching lines @@
   }
 
   if (guest_login_performer_)
     return;
 
   guest_login_performer_.reset(new ChromeLoginPerformer(this));
   guest_login_performer_->LoginOffTheRecord();
 }
 
 }  // namespace chromeos