Bug 7235 [Contributions] Need dispose() for action delegates
bundles/org.eclipse.jface/src/org/eclipse/jface/action/SubContributionItem.java
public boolean isEnabled() {
	return innerItem.isEnabled();
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */
public boolean isDirty() {
	return innerItem.isDirty();
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */
public boolean isDynamic() {
	return innerItem.isDynamic();
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */
public boolean isGroupMarker() {
	return innerItem.isGroupMarker();
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */
public boolean isSeparator() {
	return innerItem.isSeparator();
}
/* (non-Javadoc)
 * Method declared on IContributionItem.
 */