DialogClientView: Correct the order in which subviews are focused.

ui/views/window/dialog_client_view.h

Index: ui/views/window/dialog_client_view.h
diff --git a/ui/views/window/dialog_client_view.h b/ui/views/window/dialog_client_view.h
index 1108904f5d519fd81f1e01b398fe39f990138a55..32f6a617b030d97968b6829a3b9b5cee05e95f13 100644
--- a/ui/views/window/dialog_client_view.h
+++ b/ui/views/window/dialog_client_view.h
@@ -96,6 +96,10 @@ class VIEWS_EXPORT DialogClientView : public ClientView,
   // Closes the widget.
   void Close();
 
+  // Sets up the focus chain for the child views. This is required since the
+  // delegate may choose to add/remove views at any time.
+  void SetupFocusChain();
+
   // The dialog buttons.
   LabelButton* ok_button_;
   LabelButton* cancel_button_;