This signal is emitted when a search operation does not find
any result for the given text. It will be issued if the text
is not found asynchronously after a call to
webkit_find_controller_search(), webkit_find_controller_search_next()
or webkit_find_controller_search_previous().
This signal is emitted when a search operation does not find any result for the given text. It will be issued if the text is not found asynchronously after a call to webkit_find_controller_search(), webkit_find_controller_search_next() or webkit_find_controller_search_previous().