GtkWidget: Start renaming widget->window

This is an automated change doing these command:

git sed -f g gtk_widget_set_has_window gtk_widget_set_has_surface
git sed -f g gtk_widget_get_has_window gtk_widget_get_has_surface
git sed -f g gtk_widget_set_parent_window gtk_widget_set_parent_surface
git sed -f g gtk_widget_get_parent_window gtk_widget_get_parent_surface
git sed -f g gtk_widget_set_window gtk_widget_set_surface
git sed -f g gtk_widget_get_window gtk_widget_get_surface
git sed -f g gtk_widget_register_window gtk_widget_register_surface
git sed -f g gtk_widget_unregister_window gtk_widget_unregister_surface

git checkout NEWS*

1 files changed, 1 insertions, 1 deletions

diff --git a/gtk/gtkcellrendereraccel.c b/gtk/gtkcellrendereraccel.c
index 4a5bf529a3..1703e99760 100644
--- a/gtk/gtkcellrendereraccel.c
+++ b/gtk/gtkcellrendereraccel.c
@@ -451,7 +451,7 @@ gtk_cell_renderer_accel_start_editing (GtkCellRenderer      *cell,
   if (!is_editable)
     return NULL;
 
-  window = gtk_widget_get_window (gtk_widget_get_toplevel (widget));
+  window = gtk_widget_get_surface (gtk_widget_get_toplevel (widget));
 
   if (event)
     device = gdk_event_get_device (event);