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/ViewerRow.java
/**
	 * Return the item for the receiver.
	 * 
	 * @return {@link Widget}
	 */
	public abstract Widget getItem();
		
	/**
	 * Return the number of columns for the receiver.
	 * 
	 * @return int
	 */
	public abstract int getColumnCount();
	/**
	 * Return the image at the columnIndex.
	 * 
	 * @param columnIndex
	 * @return {@link Image} or <code>null</code>
	 */
	public abstract Image getImage(int columnIndex);
	/**
	 * Set the image at the columnIndex
	 * 
	 * @param columnIndex
	 * @param image
	 */
	public abstract void setImage(int columnIndex, Image image);
	/**
	 * Get the text at the columnIndex.
	 *