mash: Port KeyboardUIMus to mojo:ash; remove sysui.

ash/sysui/sysui_application.h

-// Copyright 2016 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_SYSUI_SYSUI_APPLICATION_H_
-#define ASH_SYSUI_SYSUI_APPLICATION_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
-#include "services/shell/public/cpp/service.h"
-#include "services/tracing/public/cpp/provider.h"
-#include "services/ui/public/cpp/input_devices/input_device_client.h"
-
-namespace ash {
-namespace sysui {
-
-class AshInit;
-
-class SysUIApplication : public shell::Service {
- public:
-  SysUIApplication();
-  ~SysUIApplication() override;
-
- private:
-  // shell::Service:
-  void OnStart(const ::shell::Identity& identity) override;
-  bool OnConnect(const ::shell::Identity& remote_identity,
-                 ::shell::InterfaceRegistry* registry) override;
-
-  tracing::Provider tracing_;
-  std::unique_ptr<AshInit> ash_init_;
-
-  // Subscribes to updates about input-devices.
-  ui::InputDeviceClient input_device_client_;
-
-  DISALLOW_COPY_AND_ASSIGN(SysUIApplication);
-};
-
-}  // namespace sysui
-}  // namespace ash
-
-#endif  // ASH_SYSUI_SYSUI_APPLICATION_H_