mash: Migrate wallpaper controllers to ash/common.

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 33 matching lines @@
 
 namespace wm {
 class InputMethodEventFilter;
 class RootWindowEventFilter;
 class ScopedCaptureClient;
 }
 
 namespace ash {
 class AshWindowTreeHost;
 class AlwaysOnTopController;
-class AnimatingWallpaperWidgetController;
 class DockedWindowLayoutManager;
 enum class LoginStatus;
 class PanelLayoutManager;
 class ShelfLayoutManager;
 class StackingController;
 class StatusAreaWidget;
 class SystemModalContainerLayoutManager;
 class SystemTray;
 class SystemWallpaperController;
 class TouchHudDebug;
 class TouchHudProjection;
-class WallpaperWidgetController;
 class WmRootWindowControllerAura;
 class WmShelfAura;
 class WmWindow;
 class WorkspaceController;
 
 #if defined(OS_CHROMEOS)
 class BootSplashScreen;
 class AshTouchExplorationManager;
 #endif
 
@@ skipping 48 matching lines @@
 
   // Set touch HUDs for this root window controller. The root window controller
   // will not own the HUDs; their lifetimes are managed by themselves. Whenever
   // the widget showing a HUD is being destroyed (e.g. because of detaching a
   // display), the HUD deletes itself.
   void set_touch_hud_debug(TouchHudDebug* hud) { touch_hud_debug_ = hud; }
   void set_touch_hud_projection(TouchHudProjection* hud) {
     touch_hud_projection_ = hud;
   }
 
-  WallpaperWidgetController* wallpaper_widget_controller() {
-    return wallpaper_widget_controller_.get();
-  }
-  void SetWallpaperWidgetController(WallpaperWidgetController* controller);
-  AnimatingWallpaperWidgetController* animating_wallpaper_widget_controller() {
-    return animating_wallpaper_widget_controller_.get();
-  }
-  void SetAnimatingWallpaperWidgetController(
-      AnimatingWallpaperWidgetController* controller);
-
   // Access the shelf layout manager associated with this root
   // window controller, NULL if no such shelf exists.
   ShelfLayoutManager* GetShelfLayoutManager();
 
   // May return null, for example for a secondary monitor at the login screen.
   StatusAreaWidget* GetStatusAreaWidget();
 
   // Returns the system tray on this root window. Note that
   // calling this on the root window that doesn't have a shelf will
   // lead to a crash.
@@ skipping 27 matching lines @@
   // Creates the shelf for this root window and notifies observers.
   void CreateShelf();
 
   // Called when the login status changes after login (such as lock/unlock).
   // TODO(oshima): Investigate if we can merge this and |OnLoginStateChanged|.
   void UpdateAfterLoginStatusChange(LoginStatus status);
 
   // Called when the brightness/grayscale animation from white to the login
   // wallpaper image has started.  Starts |boot_splash_screen_|'s hiding
   // animation (if the screen is non-NULL).
-  void HandleInitialWallpaperAnimationStarted();
+  void OnInitialWallpaperAnimationStarted();
 
   // Called when the wallpaper animation is finished. Updates
   // |system_wallpaper_| to be black and drops |boot_splash_screen_| and moves
   // the wallpaper controller into the root window controller. |widget| holds
   // the wallpaper image, or NULL if the wallpaper is a solid color.
   void OnWallpaperAnimationFinished(views::Widget* widget);
 
   // Deletes associated objects and clears the state, but doesn't delete
   // the root window yet. This is used to delete a secondary displays'
   // root window safely when the display disconnect signal is received,
@@ skipping 94 matching lines @@
   std::unique_ptr<AlwaysOnTopController> always_on_top_controller_;
 
   // 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<WallpaperWidgetController> wallpaper_widget_controller_;
-  std::unique_ptr<AnimatingWallpaperWidgetController>
-      animating_wallpaper_widget_controller_;
   std::unique_ptr<::wm::ScopedCaptureClient> capture_client_;
 
   // Manages the context menu.
   std::unique_ptr<ui::MenuModel> menu_model_;
   std::unique_ptr<views::MenuModelAdapter> menu_model_adapter_;
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   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_