Move a null check before it's usage.

chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc

Index: chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc b/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
index 595f02e2c43531a8470d00741ffdaaf33e0a635d..aae89a11a1f14a1e0dbda81ae9c903e964078e1e 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
+++ b/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
@@ -78,8 +78,11 @@ scoped_ptr<ui::MenuModel> CreateMultiUserContextMenu(
   scoped_ptr<ui::MenuModel> model;
   ash::SessionStateDelegate* delegate =
       ash::Shell::GetInstance()->session_state_delegate();
+  if (!delegate)
+    return model.Pass();
+
   int logged_in_users = delegate->NumberOfLoggedInUsers();
-  if (delegate && logged_in_users > 1) {
+  if (logged_in_users > 1) {
     // If this window is not owned, we don't show the menu addition.
     chrome::MultiUserWindowManager* manager =
         chrome::MultiUserWindowManager::GetInstance();