... to make clear that these are overriden methods from the `GLSurfaceView.Renderer` interface. Change-Id: I7ffc47ee8a7ca4b481f7d28c0a5084c89d9c7ae8 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159164 Tested-by: Jenkins Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>