Filter the cron job approvals in the given timerange.

def GetReportData(self, get_report_args, token=None):
    """Filter the cron job approvals in the given timerange."""
    ret = rdf_report_plugins.ApiReportData(
        representation_type=RepresentationType.AUDIT_CHART,
        audit_chart=rdf_report_plugins.ApiAuditChartReportData(
            used_fields=self.USED_FIELDS))

    ret.audit_chart.rows = _LoadAuditEvents(
        self.HANDLERS,
        get_report_args,
        transformers=[_ExtractClientIdFromPath],
        token=token)
    return ret