Return a newly created `p:graphicFrame` element having the specified
        position and size and containing the chart identified by *rId*.

def _new_chart_graphicFrame(self, rId, x, y, cx, cy):
        """
        Return a newly created `p:graphicFrame` element having the specified
        position and size and containing the chart identified by *rId*.
        """
        id_, name = self.shape_id, self.name
        return CT_GraphicalObjectFrame.new_chart_graphicFrame(
            id_, name, rId, x, y, cx, cy
        )