Bug 181061 [Viewers] JFace viewers performance issues in 3.3
A number of the JFace performance tests are red since I20060926-0800.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTableViewer.java
* @see org.eclipse.jface.viewers.StructuredViewer#getSelectionFromWidget()
	 */
	protected List getSelectionFromWidget() {
		if (virtualManager != null) {
			return getVirtualSelection();
		}
		Widget[] items = doGetSelection();
		ArrayList list = new ArrayList(items.length);
		for (int i = 0; i < items.length; i++) {
			Widget item = items[i];
			Object e = item.getData();
			if (e != null) {
				list.add(e);
			}
		}
		return list;
	}
	/**
	 * Get the virtual selection. Avoid calling SWT whenever possible to prevent
	 * extra widget creation.
	 * 
	 * @return List of Object
	 */
	private List getVirtualSelection() {
		List result = new ArrayList();
		int[] selectionIndices = doGetSelectionIndices();
		if (getContentProvider() instanceof ILazyContentProvider) {
			ILazyContentProvider lazy = (ILazyContentProvider) getContentProvider();
			for (int i = 0; i < selectionIndices.length; i++) {
				int selectionIndex = selectionIndices[i];