cros: Remove some OS platform ifdefs from ash

ash/root_window_controller.h

 // Copyright (c) 2012 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 ASH_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 22 matching lines @@
 
 namespace views {
 class Widget;
 }
 
 namespace wm {
 class ScopedCaptureClient;
 }
 
 namespace ash {
+class AshTouchExplorationManager;
 class AshWindowTreeHost;
+class BootSplashScreen;
 class DockedWindowLayoutManager;
 enum class LoginStatus;
 class PanelLayoutManager;
 class ShelfLayoutManager;
 class StackingController;
 class StatusAreaWidget;
 class SystemTray;
 class SystemWallpaperController;
 class TouchHudDebug;
 class TouchHudProjection;
 class WmRootWindowControllerAura;
 class WmShelfAura;
 class WorkspaceController;
 
-#if defined(OS_CHROMEOS)
-class BootSplashScreen;
-class AshTouchExplorationManager;
-#endif
-
 // This class maintains the per root window state for ash. This class
 // owns the root window and other dependent objects that should be
 // deleted upon the deletion of the root window. This object is
 // indirectly owned and deleted by |WindowTreeHostManager|.
 // The RootWindowController for particular root window is stored in
 // its property (RootWindowSettings) and can be obtained using
 // |GetRootWindowController(aura::WindowEventDispatcher*)| function.
 //
 // NOTE: In classic ash there is one RootWindow per display, so every RootWindow
 // has a RootWindowController. In mus/mash there is one RootWindow per top-level
@@ skipping 143 matching lines @@
 
   std::unique_ptr<StackingController> stacking_controller_;
 
   // The shelf controller for this root window. Exists for the entire lifetime
   // of the RootWindowController so that it is safe for observers to be added
   // to it during construction of the shelf widget and status tray.
   std::unique_ptr<WmShelfAura> wm_shelf_aura_;
 
   std::unique_ptr<SystemWallpaperController> system_wallpaper_;
 
-#if defined(OS_CHROMEOS)
   std::unique_ptr<BootSplashScreen> boot_splash_screen_;
   // Responsible for initializing TouchExplorationController when spoken
   // feedback is on.
   std::unique_ptr<AshTouchExplorationManager> touch_exploration_manager_;
-#endif
 
   // Heads-up displays for touch events. These HUDs are not owned by the root
   // window controller and manage their own lifetimes.
   TouchHudDebug* touch_hud_debug_;
   TouchHudProjection* touch_hud_projection_;
 
   // Handles double clicks on the panel window header.
   std::unique_ptr<ui::EventHandler> panel_container_handler_;
 
   std::unique_ptr<::wm::ScopedCaptureClient> capture_client_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 // On classic ash, returns the RootWindowController for the given |root_window|.
 // On mus ash, returns the RootWindowController for the primary display.
 // See RootWindowController class comment above.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // namespace ash
 
 #endif  // ASH_ROOT_WINDOW_CONTROLLER_H_