chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/locale/locale_notification_controller.h

-// Copyright 2013 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_COMMON_SYSTEM_LOCALE_LOCALE_NOTIFICATION_CONTROLLER_H_
-#define ASH_COMMON_SYSTEM_LOCALE_LOCALE_NOTIFICATION_CONTROLLER_H_
-
-#include <string>
-
-#include "ash/public/interfaces/locale.mojom.h"
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
-
-namespace ash {
-
-// Observes the locale change and creates rich notification for the change.
-class LocaleNotificationController
-    : public mojom::LocaleNotificationController {
- public:
-  LocaleNotificationController();
-  ~LocaleNotificationController() override;
-
-  // Binds the mojom::LocaleNotificationController interface request to this
-  // object.
-  void BindRequest(mojom::LocaleNotificationControllerRequest request);
-
- private:
-  // Overridden from mojom::LocaleNotificationController:
-  void OnLocaleChanged(const std::string& cur_locale,
-                       const std::string& from_locale,
-                       const std::string& to_locale,
-                       const OnLocaleChangedCallback& callback) override;
-
-  std::string cur_locale_;
-  std::string from_locale_;
-  std::string to_locale_;
-
-  // Bindings for the LocaleNotificationController interface.
-  mojo::BindingSet<mojom::LocaleNotificationController> bindings_;
-
-  DISALLOW_COPY_AND_ASSIGN(LocaleNotificationController);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_LOCALE_LOCALE_NOTIFICATION_CONTROLLER_H_