Index: components/constrained_window/constrained_window_views.h |
diff --git a/components/constrained_window/constrained_window_views.h b/components/constrained_window/constrained_window_views.h |
index 9a8b3e95f5f3f02c14387e605dff21c40a097ce4..972fca88ecfed68f9a1f3379216b8715b9db8442 100644 |
--- a/components/constrained_window/constrained_window_views.h |
+++ b/components/constrained_window/constrained_window_views.h |
@@ -73,8 +73,10 @@ views::Widget* CreateWebModalDialogViews(views::WidgetDelegate* dialog, |
// Create a widget for |dialog| that has a modality given by |
// |dialog->GetModalType()|. The modal type must be either |
-// ui::MODAL_TYPE_SYSTEM or ui::MODAL_TYPE_WINDOW. This places the |
-// dialog appropriately if |parent| is a valid browser window. |
+// ui::MODAL_TYPE_SYSTEM or ui::MODAL_TYPE_WINDOW. This places the dialog |
+// appropriately if |parent| is a valid browser window. Currently, |parent| may |
+// be null for MODAL_TYPE_WINDOW, but that's a bug and callers shouldn't rely on |
+// that working. See http://crbug.com/657293. |
views::Widget* CreateBrowserModalDialogViews(views::DialogDelegate* dialog, |
gfx::NativeWindow parent); |