shell-search-provider: implement XUbuntuCancel
Implement XUbuntuCancel to request search cancellation. This is used by gnome-shell to cancel the current search e.g. if the search overview is closed.
Edited by Andrea Azzarone
Implement XUbuntuCancel to request search cancellation. This is used by gnome-shell to cancel the current search e.g. if the search overview is closed.