Enable screen capture for ARC++ Kiosk

chrome/browser/chromeos/login/existing_user_controller.h

Index: chrome/browser/chromeos/login/existing_user_controller.h
diff --git a/chrome/browser/chromeos/login/existing_user_controller.h b/chrome/browser/chromeos/login/existing_user_controller.h
index 6a32f38dc573b91b98ebaf631bc5938a80317f5f..62a9bc1c8241508db38f2d753885be605583eab6 100644
--- a/chrome/browser/chromeos/login/existing_user_controller.h
+++ b/chrome/browser/chromeos/login/existing_user_controller.h
@@ -148,7 +148,7 @@ class ExistingUserController
   void LoginAsGuest();
   void LoginAsPublicSession(const UserContext& user_context);
   void LoginAsKioskApp(const std::string& app_id, bool diagnostic_mode);
-  void LoginAsArcKioskApp(const AccountId& account_id);
+  void LoginAsArcKioskApp(const AccountId& account_id, bool is_auto_launch);
   // Retrieve public session and ARC kiosk auto-login policy and update the
   // timer.
   void ConfigureAutoLogin();