Bug 7235 [Contributions] Need dispose() for action delegates
bundles/org.eclipse.jface/src/org/eclipse/jface/action/SubContributionItem.java
/**
	 * The visibility of the item.
	 */
	private boolean visible;
	/**
	 * The inner item for this contribution.  
	 */
	private IContributionItem innerItem;
/**
 * Creates a new <code>SubContributionItem</code>.
 */
public SubContributionItem(IContributionItem item) {
	innerItem = item;
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */
public void fill(Composite parent) {
	if (visible)
		innerItem.fill(parent);
}
/* (non-Javadoc)