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..688758ef3581d7acc3f6bfb30245f9028d0683d7 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"
@@ -58,9 +59,9 @@ enum KioskLaunchType {
 const int kAppInstallSplashScreenMinTimeMS = 3000;
 
 bool IsEnterpriseManaged() {
-  policy::BrowserPolicyConnectorChromeOS* connector =
-      g_browser_process->platform_part()->browser_policy_connector_chromeos();
-  return connector->IsEnterpriseManaged();
+  return g_browser_process->platform_part()
+      ->browser_policy_connector_chromeos()
+      ->IsEnterpriseManaged();
 }
 
 void RecordKioskLaunchUMA(bool is_auto_launch) {
@@ -73,6 +74,13 @@ 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::SignInEventType::AUTOMATIC_KIOSK
+            : enterprise_user_session_metrics::SignInEventType::MANUAL_KIOSK);
+  }
 }
 
 }  // namespace