Add simplistic screenlock application.

mash/wm/window_manager_application.h

 // 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.
 
 #ifndef MASH_WM_WINDOW_MANAGER_APPLICATION_H_
 #define MASH_WM_WINDOW_MANAGER_APPLICATION_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 21 matching lines @@
 
 namespace views {
 class AuraInit;
 }
 
 namespace mash {
 namespace wm {
 
 class AcceleratorRegistrarImpl;
 class BackgroundLayout;
+class ScreenlockLayout;
 class ShadowController;
 class ShelfLayout;
 class UserWindowControllerImpl;
 class WindowLayout;
 class WindowManagerImpl;
 
 class WindowManagerApplication
     : public mojo::ApplicationDelegate,
       public mus::WindowObserver,
       public mus::mojom::WindowTreeHostClient,
@@ skipping 81 matching lines @@
   // |user_window_controller_| is created once OnEmbed() is called. Until that
   // time |user_window_controller_requests_| stores pending interface requests.
   scoped_ptr<UserWindowControllerImpl> user_window_controller_;
   mojo::WeakBindingSet<mash::wm::mojom::UserWindowController>
       user_window_controller_binding_;
   std::vector<
       scoped_ptr<mojo::InterfaceRequest<mash::wm::mojom::UserWindowController>>>
       user_window_controller_requests_;
 
   scoped_ptr<BackgroundLayout> background_layout_;
+  scoped_ptr<ScreenlockLayout> screenlock_layout_;
   scoped_ptr<ShelfLayout> shelf_layout_;
   scoped_ptr<WindowLayout> window_layout_;
 
   scoped_ptr<ShadowController> shadow_controller_;
 
   std::set<AcceleratorRegistrarImpl*> accelerator_registrars_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApplication);
 };
 
 }  // namespace wm
 }  // namespace mash
 
 #endif  // MASH_WM_WINDOW_MANAGER_APPLICATION_H_