Migrate call sites LoginDisplayHostImpl::default_host to LoginDisplayHost.

chrome/browser/chromeos/login/ui/user_adding_screen_browsertest.cc

 // Copyright 2014 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 "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "base/macros.h"
 #include "base/prefs/pref_service.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/login_manager_test.h"
 #include "chrome/browser/chromeos/login/startup_utils.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/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/user_manager/user_manager.h"
+#include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using namespace testing;
 
 namespace {
 
 const char* const kTestUsers[] = {"test-user1@gmail.com",
                                   "test-user2@gmail.com",
                                   "test-user3@gmail.com"};
@@ skipping 18 matching lines @@
   void OnUserAddingFinished() override { ++user_adding_finished_; }
 
   void OnUserAddingStarted() override { ++user_adding_started_; }
 
   void SetUserCanLock(user_manager::User* user, bool can_lock) {
     user->set_can_lock(can_lock);
   }
 
   void CheckScreenIsVisible() {
     views::View* web_view =
-        LoginDisplayHostImpl::default_host()->GetWebUILoginView()->child_at(0);
+        LoginDisplayHost::default_host()->GetWebUILoginView()->child_at(0);
     for (views::View* current_view = web_view;
          current_view;
          current_view = current_view->parent()) {
       EXPECT_TRUE(current_view->visible());
       if (current_view->layer())
         EXPECT_EQ(current_view->layer()->GetCombinedOpacity(), 1.f);
     }
     for (aura::Window* window = web_view->GetWidget()->GetNativeWindow();
          window;
          window = window->parent()) {
@@ skipping 41 matching lines @@
             ash::Shell::GetInstance()->session_state_delegate()->
                 GetSessionState());
 
   UserAddingScreen::Get()->Cancel();
   content::RunAllPendingInMessageLoop();
   EXPECT_EQ(1, user_adding_finished());
   EXPECT_EQ(ash::SessionStateDelegate::SESSION_STATE_ACTIVE,
             ash::Shell::GetInstance()->session_state_delegate()->
                 GetSessionState());
 
-  EXPECT_TRUE(LoginDisplayHostImpl::default_host() == NULL);
+  EXPECT_TRUE(LoginDisplayHost::default_host() == nullptr);
   EXPECT_EQ(1u, user_manager::UserManager::Get()->GetLoggedInUsers().size());
   EXPECT_EQ(kTestUsers[0],
             user_manager::UserManager::Get()->GetActiveUser()->email());
 }
 
 IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, PRE_AddingSeveralUsers) {
   RegisterUser(kTestUsers[0]);
   RegisterUser(kTestUsers[1]);
   RegisterUser(kTestUsers[2]);
   StartupUtils::MarkOobeCompleted();
@@ skipping 15 matching lines @@
     content::RunAllPendingInMessageLoop();
     EXPECT_EQ(i, user_adding_started());
     EXPECT_EQ(ash::SessionStateDelegate::SESSION_STATE_LOGIN_SECONDARY,
               ash::Shell::GetInstance()->session_state_delegate()->
                   GetSessionState());
     AddUser(kTestUsers[i]);
     EXPECT_EQ(i, user_adding_finished());
     EXPECT_EQ(ash::SessionStateDelegate::SESSION_STATE_ACTIVE,
               ash::Shell::GetInstance()->session_state_delegate()->
                   GetSessionState());
-    EXPECT_TRUE(LoginDisplayHostImpl::default_host() == NULL);
+    EXPECT_TRUE(LoginDisplayHost::default_host() == nullptr);
     ASSERT_EQ(unsigned(i + 1), user_manager->GetLoggedInUsers().size());
   }
 
   EXPECT_EQ(ash::SessionStateDelegate::SESSION_STATE_ACTIVE,
             ash::Shell::GetInstance()->session_state_delegate()->
                 GetSessionState());
 
   // Now check how unlock policy works for these users.
   PrefService* prefs1 =
       ProfileHelper::Get()
           ->GetProfileByUserUnsafe(user_manager->GetLoggedInUsers()[0])
           ->GetPrefs();
   PrefService* prefs2 =
       ProfileHelper::Get()
           ->GetProfileByUserUnsafe(user_manager->GetLoggedInUsers()[1])
           ->GetPrefs();
   PrefService* prefs3 =
       ProfileHelper::Get()
           ->GetProfileByUserUnsafe(user_manager->GetLoggedInUsers()[2])
           ->GetPrefs();
-  ASSERT_TRUE(prefs1 != NULL);
-  ASSERT_TRUE(prefs2 != NULL);
-  ASSERT_TRUE(prefs3 != NULL);
+  ASSERT_TRUE(prefs1 != nullptr);
+  ASSERT_TRUE(prefs2 != nullptr);
+  ASSERT_TRUE(prefs3 != nullptr);
   prefs1->SetBoolean(prefs::kEnableAutoScreenLock, false);
   prefs2->SetBoolean(prefs::kEnableAutoScreenLock, false);
   prefs3->SetBoolean(prefs::kEnableAutoScreenLock, false);
 
   // One of the users has the primary-only policy.
   // List of unlock users doesn't depend on kEnableLockScreen preference.
   prefs1->SetBoolean(prefs::kEnableAutoScreenLock, true);
   prefs1->SetString(prefs::kMultiProfileUserBehavior,
                     MultiProfileUserController::kBehaviorPrimaryOnly);
   prefs2->SetString(prefs::kMultiProfileUserBehavior,
@@ skipping 71 matching lines @@
       content::NotificationService::AllSources()).Wait();
 
   UserAddingScreen::Get()->Start();
   content::RunAllPendingInMessageLoop();
   CheckScreenIsVisible();
   UserAddingScreen::Get()->Cancel();
   content::RunAllPendingInMessageLoop();
 }
 
 }  // namespace chromeos