Migrate call sites LoginDisplayHostImpl::default_host to LoginDisplayHost.

chrome/browser/chromeos/shutdown_policy_browsertest.cc

 // Copyright 2015 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 <string>
 
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/system/date/date_default_view.h"
 #include "ash/system/date/tray_date.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/tray_popup_header_button.h"
 #include "ash/system/user/login_status.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
 #include "chrome/browser/chromeos/login/lock/webui_screen_locker.h"
-#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
+#include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/chromeos/policy/device_policy_builder.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_session_manager_client.h"
@@ skipping 247 matching lines @@
     InstallOwnerKey();
     MarkAsEnterpriseOwned();
   }
 
   void SetUpOnMainThread() override {
     ShutdownPolicyBaseTest::SetUpOnMainThread();
 
     content::WindowedNotificationObserver(
         chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
         content::NotificationService::AllSources()).Wait();
-    LoginDisplayHostImpl* host =
-        static_cast<LoginDisplayHostImpl*>(
-            LoginDisplayHostImpl::default_host());
+    LoginDisplayHost* host = LoginDisplayHost::default_host();
     ASSERT_TRUE(host);
     WebUILoginView* web_ui_login_view = host->GetWebUILoginView();
     ASSERT_TRUE(web_ui_login_view);
     content::WebUI* web_ui = web_ui_login_view->GetWebUI();
     ASSERT_TRUE(web_ui);
     contents_ = web_ui->GetWebContents();
     ASSERT_TRUE(contents_);
 
     // Wait for the login UI to be ready.
     WaitUntilOobeUIIsReady(host->GetOobeUI());
   }
 
   void TearDownOnMainThread() override {
     // If the login display is still showing, exit gracefully.
-    if (LoginDisplayHostImpl::default_host()) {
+    if (LoginDisplayHost::default_host()) {
       base::MessageLoop::current()->PostTask(FROM_HERE,
                                              base::Bind(&chrome::AttemptExit));
       content::RunMessageLoop();
     }
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyLoginTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ShutdownPolicyLoginTest, PolicyNotSet) {
   PrepareAndRunScript("restart-header-bar-item", true);
   PrepareAndRunScript("shutdown-header-bar-item", false);
 }
 
 IN_PROC_BROWSER_TEST_F(ShutdownPolicyLoginTest, PolicyChange) {
   UpdateRebootOnShutdownPolicy(true);
   RefreshDevicePolicy();
   PrepareAndRunScript("restart-header-bar-item", false);
   PrepareAndRunScript("shutdown-header-bar-item", true);
 
   UpdateRebootOnShutdownPolicy(false);
   RefreshDevicePolicy();
   PrepareAndRunScript("restart-header-bar-item", true);
   PrepareAndRunScript("shutdown-header-bar-item", false);
 }
 
 }  // namespace chromeos