mash: Port mojo:ash_sysui's ContextMenuMus to mojo:ash.

chrome/browser/chromeos/login/ui/login_display_host_impl.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/login_display_host_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/common/shell_window_ids.h"
+#include "ash/common/wallpaper/wallpaper_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/desktop_background/desktop_background_controller.h"
-#include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/public/interfaces/container.mojom.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_split.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 830 matching lines @@
     } else {
       NOTIMPLEMENTED();
     }
     registrar_.Remove(this,
                       chrome::NOTIFICATION_LOGIN_USER_CHANGED,
                       content::NotificationService::AllSources());
   } else if (chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED == type) {
     VLOG(1) << "Login WebUI >> wp animation done";
     is_wallpaper_loaded_ = true;
     if (!chrome::IsRunningInMash()) {
-      ash::Shell::GetInstance()
-          ->user_wallpaper_delegate()
+      ash::WmShell::Get()
+          ->wallpaper_delegate()
           ->OnWallpaperBootAnimationFinished();
     } else {
       NOTIMPLEMENTED();
     }
     if (waiting_for_wallpaper_load_) {
       // StartWizard / StartSignInScreen could be called multiple times through
       // the lifetime of host.
       // Make sure that subsequent calls are not postponed.
       waiting_for_wallpaper_load_ = false;
       if (initialize_webui_hidden_)
@@ skipping 496 matching lines @@
 
   locale_util::SwitchLanguageCallback callback(
       base::Bind(&OnLanguageSwitchedCallback, base::Passed(std::move(data))));
 
   // Load locale keyboards here. Hardware layout would be automatically enabled.
   locale_util::SwitchLanguage(locale, true, true /* login_layouts_only */,
                               callback, ProfileManager::GetActiveUserProfile());
 }
 
 }  // namespace chromeos