Free the #WebKitOptionMenuItem.
Get the label of a #WebKitOptionMenuItem.
Get the tooltip of a #WebKitOptionMenuItem.
Whether a #WebKitOptionMenuItem is enabled.
Whether a #WebKitOptionMenuItem is a group child.
Whether a #WebKitOptionMenuItem is a group label.
Whether a #WebKitOptionMenuItem is the currently selected one.
Make a copy of the #WebKitOptionMenuItem.