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
* accurately reflect the model. This method only affects the viewer, not
	 * the model. Note that there is another method for efficiently processing
	 * the simultaneous removal of multiple elements.
	 * </p>
	 * <strong>NOTE:</strong> removing an object from a virtual table will
	 * decrement the itemCount.
	 * 
	 * @param element
	 *            the element
	 */
	public void remove(Object element) {
		remove(new Object[] { element });
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.StructuredViewer#reveal(java.lang.Object)
	 */
	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)