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 18 matching lines @@
 namespace aura {
 class EventFilter;
 class RootWindow;
 class Window;
 namespace client {
 class ActivationClient;
 class FocusClient;
 }
 }
 
-namespace base {
-class SequencedWorkerPool;
-}
-
 namespace chromeos {
 class AudioA11yController;
 }
 
 namespace gfx {
 class ImageSkia;
 class Point;
 class Rect;
 }
 
@@ skipping 68 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 40 matching lines @@
   }
 
   AutoclickController* autoclick_controller() {
     return autoclick_controller_.get();
   }
 
   aura::client::ActivationClient* activation_client() {
     return activation_client_;
   }
 
-  base::SequencedWorkerPool* blocking_pool() { return blocking_pool_; }
-
   // Force the shelf to query for it's current visibility state.
   // TODO(jamescook): Move to Shelf.
   void UpdateShelfVisibility();
 
   // Creates a modal background (a partially-opaque fullscreen window)
   // on all displays for |window|.
   void CreateModalBackground(aura::Window* window);
 
   // Called when a modal window is removed. It will activate
   // another modal window if any, or remove modal screens
@@ skipping 94 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ExtendedDesktopTest, TestCursor);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, MouseEventCursors);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, TransformActivate);
   friend class RootWindowController;
   friend class test::ShellTestApi;
   friend class shell::WindowWatcher;
 
   typedef std::pair<aura::Window*, gfx::Rect> WindowAndBoundsPair;
 
   // Takes ownership of |delegate|.
-  Shell(ShellDelegate* delegate, base::SequencedWorkerPool* blocking_pool);
+  explicit Shell(ShellDelegate* delegate);
   ~Shell() override;
 
   void Init(const ShellInitParams& init_params);
 
   // Initializes virtual keyboard controller.
   void InitKeyboard();
 
   // Initializes the root window so that it can host browser windows.
   void InitRootWindow(aura::Window* root_window);
 
@@ skipping 26 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 72 matching lines @@
   // For testing only: simulate that a modal window is open
   bool simulate_modal_window_open_for_testing_;
 
   bool is_touch_hud_projection_enabled_;
 
   // Injected content::GPUDataManager support.
   std::unique_ptr<GPUSupport> gpu_support_;
 
   std::unique_ptr<ImmersiveHandlerFactoryAsh> immersive_handler_factory_;
 
-  base::SequencedWorkerPool* blocking_pool_;
-
   bool in_mus_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_