Migrate call sites LoginDisplayHostImpl::default_host to LoginDisplayHost.

chrome/browser/ui/webui/chromeos/login/oobe_ui.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/ui/webui/chromeos/login/oobe_ui.h"
 
 #include <stddef.h>
 
 #include "ash/shell_window_ids.h"
 #include "ash/wm/screen_dimmer.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/chromeos/login/enrollment/auto_enrollment_check_screen_actor.h"
 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
 #include "chrome/browser/chromeos/login/screens/error_screen.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
-#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/settings/shutdown_policy_handler.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
 #include "chrome/browser/extensions/signin/gaia_auth_extension_loader.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/about_ui.h"
 #include "chrome/browser/ui/webui/chromeos/login/app_launch_splash_screen_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/auto_enrollment_check_screen_handler.h"
@@ skipping 564 matching lines @@
 
 void OobeUI::ShowSigninScreen(const LoginScreenContext& context,
                               SigninScreenHandlerDelegate* delegate,
                               NativeWindowDelegate* native_window_delegate) {
   // Check our device mode.
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
   if (connector->GetDeviceMode() == policy::DEVICE_MODE_LEGACY_RETAIL_MODE) {
     // If we're in legacy retail mode, the best thing we can do is launch the
     // new offline demo mode.
-    LoginDisplayHost* host = LoginDisplayHostImpl::default_host();
-    host->StartDemoAppLaunch();
+    LoginDisplayHost::default_host()->StartDemoAppLaunch();
     return;
   }
 
   signin_screen_handler_->SetDelegate(delegate);
   signin_screen_handler_->SetNativeWindowDelegate(native_window_delegate);
 
   LoginScreenContext actual_context(context);
   actual_context.set_oobe_ui(core_handler_->show_oobe_ui());
   signin_screen_handler_->Show(actual_context);
 }
@@ skipping 31 matching lines @@
   screen_dimmer->set_at_bottom(true);
   screen_dimmer->SetDimming(should_dim);
 
   FOR_EACH_OBSERVER(Observer,
                     observer_list_,
                     OnCurrentScreenChanged(current_screen_, new_screen));
   current_screen_ = new_screen;
 }
 
 }  // namespace chromeos