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

components/arc/kiosk/arc_kiosk_bridge.cc

Index: components/arc/kiosk/arc_kiosk_bridge.cc
diff --git a/components/arc/kiosk/arc_kiosk_bridge.cc b/components/arc/kiosk/arc_kiosk_bridge.cc
index bb915bb984c3e7a9427f917bb39cb58ea19cbc4d..5eb60d744fb46cfec02819c4558adaa7788acce7 100644
--- a/components/arc/kiosk/arc_kiosk_bridge.cc
+++ b/components/arc/kiosk/arc_kiosk_bridge.cc
@@ -4,13 +4,17 @@
 
 #include "components/arc/kiosk/arc_kiosk_bridge.h"
 
+#include "chrome/browser/chromeos/app_mode/arc/arc_kiosk_app_service.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) {
+ArcKioskBridge::ArcKioskBridge(ArcBridgeService* bridge_service,
+                               content::BrowserContext* browser_context)
+    : ArcService(bridge_service),
+      binding_(this),
+      browser_context_(browser_context) {
   arc_bridge_service()->kiosk()->AddObserver(this);
 }
 
@@ -26,12 +30,15 @@ void ArcKioskBridge::OnInstanceReady() {
 }
 
 void ArcKioskBridge::OnMaintenanceSessionCreated(int32_t session_id) {
+  chromeos::ArcKioskAppService::Get(browser_context_)
+      ->MaintenanceSessionCreated();
   // TODO(poromov@) Show appropriate splash screen.
 }
 
 void ArcKioskBridge::OnMaintenanceSessionFinished(int32_t session_id,
                                                   bool success) {
-  // TODO(poromov@) Start kiosk app.
+  chromeos::ArcKioskAppService::Get(browser_context_)
+      ->MaintenanceSessionFinished();
 }
 
 }  // namespace arc