// for measuring
noCells = true;
VScrollTableRow next = (VScrollTableRow) iterator().next();
boolean sorted = tHead.getHeaderCell(0) != null ? tHead
.getHeaderCell(0).isSorted() : false;
next.addCell(null, "", ALIGN_LEFT, "", true, sorted);
firstTD = item.getCells().getItem(0);
}
com.google.gwt.dom.client.Element wrapper = firstTD
.getFirstChildElement();
cellExtraWidth = firstTD.getOffsetWidth()