cros: Add enterprise user session metrics

chrome/browser/chromeos/login/app_launch_controller.cc

Index: chrome/browser/chromeos/login/app_launch_controller.cc
diff --git a/chrome/browser/chromeos/login/app_launch_controller.cc b/chrome/browser/chromeos/login/app_launch_controller.cc
index 62b0e79f02064062a8f2a991ea67d5ecb8ade960..2b4c70a4e84afb2ce402777b1e11b18b15a85888 100644
--- a/chrome/browser/chromeos/login/app_launch_controller.cc
+++ b/chrome/browser/chromeos/login/app_launch_controller.cc
@@ -21,6 +21,7 @@
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/app_mode/startup_app_launcher.h"
+#include "chrome/browser/chromeos/login/enterprise_user_session_metrics.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
@@ -73,6 +74,12 @@ void RecordKioskLaunchUMA(bool is_auto_launch) {
 
   UMA_HISTOGRAM_ENUMERATION("Kiosk.LaunchType", launch_type,
                             KIOSK_LAUNCH_TYPE_COUNT);
+
+  if (IsEnterpriseManaged()) {
+    enterprise_user_session_metrics::RecordSignInEvent(
+        is_auto_launch ? enterprise_user_session_metrics::AUTOMATIC_KIOSK
+                       : enterprise_user_session_metrics::MANUAL_KIOSK);
+  }
 }
 
 }  // namespace