Fixed suggesting adding more users into multi-profile session when we don't have more

ash/system/user/user_view.h

Index: ash/system/user/user_view.h
diff --git a/ash/system/user/user_view.h b/ash/system/user/user_view.h
index 774213e9f355b4a51113efff05b995a4e54f28cd..d46bdd3afe4b77df41e24172cbe117398f099dd3 100644
--- a/ash/system/user/user_view.h
+++ b/ash/system/user/user_view.h
@@ -91,8 +91,8 @@ class UserView : public views::View,
   scoped_ptr<PopupMessage> popup_message_;
   scoped_ptr<views::Widget> add_menu_option_;
 
-  // True when the add user panel is visible but not activatable.
-  bool add_user_disabled_;
+  // False when the add user panel is visible but not activatable.
+  bool add_user_enabled_;
 
   // True if this view will be used inside detailed view.
   bool for_detailed_view_;