arc: Stop/start ARC++ kiosk app when maintenance session started/finished.

components/arc/kiosk/arc_kiosk_bridge.cc

-// 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.
-
-#include "components/arc/kiosk/arc_kiosk_bridge.h"
-
-#include "components/arc/arc_bridge_service.h"
-#include "components/arc/arc_service_manager.h"
-
-namespace arc {
-
-ArcKioskBridge::ArcKioskBridge(ArcBridgeService* bridge_service)
-    : ArcService(bridge_service), binding_(this) {
-  arc_bridge_service()->kiosk()->AddObserver(this);
-}
-
-ArcKioskBridge::~ArcKioskBridge() {
-  arc_bridge_service()->kiosk()->RemoveObserver(this);
-}
-
-void ArcKioskBridge::OnInstanceReady() {
-  mojom::KioskInstance* kiosk_instance =
-      arc_bridge_service()->kiosk()->GetInstanceForMethod("Init");
-  DCHECK(kiosk_instance);
-  kiosk_instance->Init(binding_.CreateInterfacePtrAndBind());
-}
-
-void ArcKioskBridge::OnMaintenanceSessionCreated(int32_t session_id) {
-  // TODO(poromov@) Show appropriate splash screen.
-}
-
-void ArcKioskBridge::OnMaintenanceSessionFinished(int32_t session_id,
-                                                  bool success) {
-  // TODO(poromov@) Start kiosk app.
-}
-
-}  // namespace arc