mash: Migrate wallpaper controllers to ash/common.

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 110 matching lines @@
 class SystemGestureEventFilter;
 class SystemModalContainerEventFilter;
 class SystemTray;
 class ToplevelWindowEventHandler;
 class TouchTransformerController;
 class TouchObserverHUD;
 class ScreenLayoutObserver;
 class VirtualKeyboardController;
 class VideoActivityNotifier;
 class VideoDetector;
-class WallpaperController;
 class WebNotificationTray;
 class WindowPositioner;
 class WindowTreeHostManager;
 class WmShellAura;
 class WmWindow;
 
 namespace shell {
 class WindowWatcher;
 }
 
@@ skipping 125 matching lines @@
 
   DisplayManager* display_manager() { return display_manager_.get(); }
   DisplayConfigurationController* display_configuration_controller() {
     return display_configuration_controller_.get();
   }
   ::wm::CompoundEventFilter* env_filter() { return env_filter_.get(); }
   views::corewm::TooltipController* tooltip_controller() {
     return tooltip_controller_.get();
   }
   OverlayEventFilter* overlay_filter() { return overlay_filter_.get(); }
-  WallpaperController* wallpaper_controller() {
-    return wallpaper_controller_.get();
-  }
   LinkHandlerModelFactory* link_handler_model_factory() {
     return link_handler_model_factory_;
   }
   void set_link_handler_model_factory(
       LinkHandlerModelFactory* link_handler_model_factory) {
     link_handler_model_factory_ = link_handler_model_factory;
   }
   PowerButtonController* power_button_controller() {
     return power_button_controller_.get();
   }
@@ skipping 203 matching lines @@
       accelerator_controller_delegate_;
   std::unique_ptr<SessionStateDelegate> session_state_delegate_;
   std::unique_ptr<WindowPositioner> window_positioner_;
 
   std::unique_ptr<DragDropController> drag_drop_controller_;
   std::unique_ptr<ResizeShadowController> resize_shadow_controller_;
   std::unique_ptr<::wm::ShadowController> shadow_controller_;
   std::unique_ptr<::wm::VisibilityController> visibility_controller_;
   std::unique_ptr<::wm::WindowModalityController> window_modality_controller_;
   std::unique_ptr<views::corewm::TooltipController> tooltip_controller_;
-  std::unique_ptr<WallpaperController> wallpaper_controller_;
   LinkHandlerModelFactory* link_handler_model_factory_;
   std::unique_ptr<PowerButtonController> power_button_controller_;
   std::unique_ptr<LockStateController> lock_state_controller_;
   std::unique_ptr<ui::UserActivityDetector> user_activity_detector_;
   std::unique_ptr<VideoDetector> video_detector_;
   std::unique_ptr<WindowTreeHostManager> window_tree_host_manager_;
   std::unique_ptr<HighContrastController> high_contrast_controller_;
   std::unique_ptr<MagnificationController> magnification_controller_;
   std::unique_ptr<PartialMagnificationController>
       partial_magnification_controller_;
@@ skipping 82 matching lines @@
   base::SequencedWorkerPool* blocking_pool_;
 
   bool in_mus_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_