Index: ui/base/models/menu_model.h |
diff --git a/ui/base/models/menu_model.h b/ui/base/models/menu_model.h |
index daca3dae2c6395e1cd123e511d0a69771e9438aa..a0c3627167fc5eb15f6f0716eaad9a1b5dbda206 100644 |
--- a/ui/base/models/menu_model.h |
+++ b/ui/base/models/menu_model.h |
@@ -44,7 +44,8 @@ class MenuModel { |
// Returns the index of the first item. This is 0 for most menus except the |
// system menu on Windows. |native_menu| is the menu to locate the start index |
- // within. It is guaranteed to be reset to a clean default state. |
+ // within. It is guaranteed to be reset to a clean default state. Some |
+ // callers of this method may pass NULL for native_menu. |
// IMPORTANT: If the model implementation returns something _other_ than 0 |
// here, it must offset the values for |index| it passes to the |
// methods below by this number - this is NOT done automatically! |