[Night Light] CL2: Ash and system tray work

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>
 
 #include "ash/ash_export.h"
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/public/cpp/shelf_types.h"
 #include "ash/session/session_observer.h"
 #include "ash/wm/cursor_manager_chromeos.h"
 #include "ash/wm/system_modal_container_event_filter_delegate.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "ui/aura/window.h"
 #include "ui/display/screen.h"
 #include "ui/events/event_target.h"
 #include "ui/wm/core/cursor_manager.h"
 #include "ui/wm/public/activation_change_observer.h"
 
+class PrefRegistrySimple;
 class PrefService;
 
 namespace aura {
 class RootWindow;
 class UserActivityForwarder;
 class Window;
 class WindowManagerClient;
 class WindowTreeClient;
 namespace client {
 class ActivationClient;
@@ skipping 76 matching lines @@
 class LinkHandlerModelFactory;
 class LocaleNotificationController;
 class LockStateController;
 class LogoutConfirmationController;
 class MagnificationController;
 class MaximizeModeController;
 class MediaController;
 class MouseCursorEventFilter;
 class MruWindowTracker;
 class NewWindowController;
+class NightLightController;
 class OverlayEventFilter;
 class PaletteDelegate;
 class PartialMagnificationController;
 class PowerButtonController;
 class PowerEventObserver;
 class ProjectingObserver;
 class ResizeShadowController;
 class ResolutionNotificationController;
 class RootWindowController;
 class ShellPort;
@@ skipping 120 matching lines @@
   static void set_window_manager_client(aura::WindowManagerClient* client) {
     window_manager_client_ = client;
   }
   static aura::WindowManagerClient* window_manager_client() {
     return window_manager_client_;
   }
 
   static Config GetAshConfig();
   static bool ShouldUseIMEService();
 
+  // Registers all ash related prefs to the given |registry|.
+  static void RegisterPrefs(PrefRegistrySimple* registry);
+
   // Creates a default views::NonClientFrameView for use by windows in the
   // Ash environment.
   views::NonClientFrameView* CreateDefaultNonClientFrameView(
       views::Widget* widget);
 
   // Sets work area insets of the display containing |window|, pings observers.
   void SetDisplayWorkAreaInsets(aura::Window* window,
                                 const gfx::Insets& insets);
 
   // Called when a casting session is started or stopped.
@@ skipping 46 matching lines @@
     return logout_confirmation_controller_.get();
   }
   MaximizeModeController* maximize_mode_controller() {
     return maximize_mode_controller_.get();
   }
   MediaController* media_controller() { return media_controller_.get(); }
   MruWindowTracker* mru_window_tracker() { return mru_window_tracker_.get(); }
   NewWindowController* new_window_controller() {
     return new_window_controller_.get();
   }
+  NightLightController* night_light_controller() {
+    return night_light_controller_.get();
+  }
   SessionController* session_controller() { return session_controller_.get(); }
   ShelfController* shelf_controller() { return shelf_controller_.get(); }
   ShelfModel* shelf_model();
   ShutdownController* shutdown_controller() {
     return shutdown_controller_.get();
   }
   SystemTrayController* system_tray_controller() {
     return system_tray_controller_.get();
   }
   SystemTrayDelegate* system_tray_delegate() {
@@ skipping 339 matching lines @@
   std::unique_ptr<KeyboardUI> keyboard_ui_;
   std::unique_ptr<LocaleNotificationController> locale_notification_controller_;
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
   std::unique_ptr<MaximizeModeController> maximize_mode_controller_;
   std::unique_ptr<MediaController> media_controller_;
   std::unique_ptr<MruWindowTracker> mru_window_tracker_;
   std::unique_ptr<NewWindowController> new_window_controller_;
   std::unique_ptr<PaletteDelegate> palette_delegate_;
   std::unique_ptr<ResizeShadowController> resize_shadow_controller_;
   std::unique_ptr<SessionController> session_controller_;
+  std::unique_ptr<NightLightController> night_light_controller_;
   std::unique_ptr<ShelfController> shelf_controller_;
   std::unique_ptr<ShelfWindowWatcher> shelf_window_watcher_;
   std::unique_ptr<ShellDelegate> shell_delegate_;
   std::unique_ptr<ShutdownController> shutdown_controller_;
   std::unique_ptr<SystemTrayController> system_tray_controller_;
   std::unique_ptr<SystemTrayDelegate> system_tray_delegate_;
   std::unique_ptr<SystemTrayNotifier> system_tray_notifier_;
   std::unique_ptr<ToastManager> toast_manager_;
   std::unique_ptr<TrayAction> tray_action_;
   std::unique_ptr<VpnList> vpn_list_;
@@ skipping 115 matching lines @@
   base::ObserverList<ShellObserver> shell_observers_;
 
   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_