arc: Add Arc Kiosk app service and ability to launch kiosk apps.

chrome/browser/ui/app_list/arc/arc_app_list_prefs.h

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
index 3dce5be03a67eb73e01eaedfef1c8ab34eef0f70..10b5e650184d17b71c3c4c02dfb04690bf7a60f5 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
@@ -33,6 +33,10 @@ namespace arc {
 class ArcPackageSyncableService;
 }  // namespace arc
 
+namespace chromeos {
+class ArcKioskAppService;
+}  // namespace chromeos
+
 namespace content {
 class BrowserContext;
 }  // namespace content
@@ -371,7 +375,8 @@ class ArcAppListPrefs
   // True is Arc package list has been refreshed once.
   bool package_list_initial_refreshed_ = false;
 
-  arc::ArcPackageSyncableService* sync_service_;
+  arc::ArcPackageSyncableService* sync_service_ = nullptr;
+  chromeos::ArcKioskAppService* kiosk_app_service_ = nullptr;

[Luis Héctor Chávez, 2016/11/16 16:37:12]

Please add a comment about the purpose of this variable. As the code stands, it
looks like it's not used at all. The side effects of this are non-obvious.

[Sergey Poromov, 2016/11/16 17:42:14]

Added comment.

 
   mojo::Binding<arc::mojom::AppHost> binding_;