[Athena] Extract Chrome OS authentication stack

chrome/browser/chromeos/login/ui/webui_login_display.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 "chrome/browser/chromeos/login/ui/webui_login_display.h"
 
 #include "ash/shell.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.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/wallpaper/wallpaper_manager.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chromeos/ime/ime_keyboard.h"
 #include "chromeos/ime/input_method_manager.h"
+#include "chromeos/login/user_names.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/user_activity_detector.h"
 
 namespace chromeos {
 
 // WebUILoginDisplay, public: --------------------------------------------------
 
@@ skipping 230 matching lines @@
   DCHECK(delegate_);
   if (delegate_)
     delegate_->MigrateUserData(old_password);
 }
 
 void WebUILoginDisplay::LoadWallpaper(const std::string& username) {
   WallpaperManager::Get()->SetUserWallpaperDelayed(username);
 }
 
 void WebUILoginDisplay::LoadSigninWallpaper() {
-  WallpaperManager::Get()->SetDefaultWallpaperDelayed(UserManager::kSignInUser);
+  WallpaperManager::Get()->SetDefaultWallpaperDelayed(
+      chromeos::login::kSignInUser);
 }
 
 void WebUILoginDisplay::OnSigninScreenReady() {
   if (delegate_)
     delegate_->OnSigninScreenReady();
 }
 
 void WebUILoginDisplay::RemoveUser(const std::string& username) {
   UserManager::Get()->RemoveUser(username, this);
 }
@@ skipping 63 matching lines @@
   delegate_->Signout();
 }
 
 void WebUILoginDisplay::OnUserActivity(const ui::Event* event) {
   if (delegate_)
     delegate_->ResetPublicSessionAutoLoginTimer();
 }
 
 
 }  // namespace chromeos