Bug 174701 [Viewers] ViewerRow should be reused instead of connected to the Item
Currently we create a ViewerRow ver every Item we create this can degrade performance, we should cache the row and reuse it
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTableViewer.java
*/
	public void reveal(Object element) {
		Assert.isNotNull(element);
		Widget w = findItem(element);
		if (w instanceof Item) {
			doShowItem((Item) w);
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.StructuredViewer#setSelectionToWidget(java.util.List,
	 *      boolean)
	 */
	protected void setSelectionToWidget(List list, boolean reveal) {
		if (list == null) {
			doDeselectAll();
			return;
		}
		if (virtualManager != null) {
			virtualSetSelectionToWidget(list, reveal);
			return;
		}
		int size = list.size();
		Item[] items = new Item[size];
		int count = 0;
		for (int i = 0; i < size; ++i) {
			Object o = list.get(i);
			Widget w = findItem(o);
			if (w instanceof Item) {