Hide Night Light behind a flag

ash/shell.cc

 // 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.
 
 #include "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 55 matching lines @@
 #include "ash/sticky_keys/sticky_keys_controller.h"
 #include "ash/system/bluetooth/bluetooth_notification_controller.h"
 #include "ash/system/bluetooth/tray_bluetooth_helper.h"
 #include "ash/system/brightness/brightness_controller_chromeos.h"
 #include "ash/system/brightness_control_delegate.h"
 #include "ash/system/keyboard_brightness_control_delegate.h"
 #include "ash/system/keyboard_brightness_controller.h"
 #include "ash/system/locale/locale_notification_controller.h"
 #include "ash/system/network/sms_observer.h"
 #include "ash/system/network/vpn_list.h"
-#include "ash/system/night_light/night_light_controller.h"
 #include "ash/system/power/power_event_observer.h"
 #include "ash/system/power/power_status.h"
 #include "ash/system/power/video_activity_notifier.h"
 #include "ash/system/screen_layout_observer.h"
 #include "ash/system/session/logout_confirmation_controller.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/toast/toast_manager.h"
 #include "ash/system/tray/system_tray_controller.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
@@ skipping 467 matching lines @@
       focus_cycler_(base::MakeUnique<FocusCycler>()),
       immersive_context_(base::MakeUnique<ImmersiveContextAsh>()),
       keyboard_brightness_control_delegate_(
           base::MakeUnique<KeyboardBrightnessController>()),
       locale_notification_controller_(
           base::MakeUnique<LocaleNotificationController>()),
       lock_screen_controller_(base::MakeUnique<LockScreenController>()),
       media_controller_(base::MakeUnique<MediaController>()),
       new_window_controller_(base::MakeUnique<NewWindowController>()),
       session_controller_(base::MakeUnique<SessionController>()),
-      night_light_controller_(
-          base::MakeUnique<NightLightController>(session_controller_.get())),
       shelf_controller_(base::MakeUnique<ShelfController>()),
       shell_delegate_(std::move(shell_delegate)),
       shutdown_controller_(base::MakeUnique<ShutdownController>()),
       system_tray_controller_(base::MakeUnique<SystemTrayController>()),
       system_tray_notifier_(base::MakeUnique<SystemTrayNotifier>()),
       tray_action_(base::MakeUnique<TrayAction>()),
       vpn_list_(base::MakeUnique<VpnList>()),
       window_cycle_controller_(base::MakeUnique<WindowCycleController>()),
       window_selector_controller_(base::MakeUnique<WindowSelectorController>()),
       app_list_(base::MakeUnique<app_list::AppList>()),
@@ skipping 207 matching lines @@
   pref_service_ = nullptr;
   shell_delegate_.reset();
 
   DCHECK(instance_ == this);
   instance_ = nullptr;
 }
 
 void Shell::Init(const ShellInitParams& init_params) {
   const Config config = shell_port_->GetAshConfig();
 
+  if (NightLightController::IsFeatureEnabled()) {
+    night_light_controller_ =
+        base::MakeUnique<NightLightController>(session_controller_.get());
+  }
+
   blocking_pool_ = init_params.blocking_pool;
 
   wallpaper_delegate_ = shell_delegate_->CreateWallpaperDelegate();
 
   // Can be null in tests.
   if (config == Config::MASH && shell_delegate_->GetShellConnector()) {
     auto pref_registry = base::MakeRefCounted<PrefRegistrySimple>();
     Shell::RegisterPrefs(pref_registry.get());
     prefs::ConnectToPrefService(
         shell_delegate_->GetShellConnector(), std::move(pref_registry), {},
@@ skipping 456 matching lines @@
 void Shell::OnPrefServiceInitialized(
     std::unique_ptr<::PrefService> pref_service) {
   if (!instance_)
     return;
   // |pref_service_| is null if can't connect to Chrome (as happens when
   // running mash outside of chrome --mash and chrome isn't built).
   pref_service_ = std::move(pref_service);
 }
 
 }  // namespace ash