* src/xwidget.c (Fxwidget_delete_zombies): Re-implemented in Lisp.

* src/xwidget.c (Fxwidget_delete_zombies): Re-implemented in Lisp.
Note: It is not longer necessary to delete xwidget with killed buffer
here because it is done automatically when a buffer is killed.
(Fdelete_xwidget_view): New function to delete the given
xwidget-view.
* lisp/xwidget.el (xwidget-delete-zombies): Re-implementation.
* src/xwidget.c (Fxwidget_delete_zombies): Re-implemented in Lisp. Note: It is not longer necessary to delete xwidget with killed buffer here because it is done automatically when a buffer is killed. (Fdelete_xwidget_view): New function to delete the given xwidget-view. * lisp/xwidget.el (xwidget-delete-zombies): New implementation.