Bug 7235 [Contributions] Need dispose() for action delegates
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ToolBarManager.java
private int itemStyle = SWT.NONE;
	/** 
	 * The tool bat control; <code>null</code> before creation
	 * and after disposal.
	 */
	private ToolBar toolBar = null;	
/**
 * Creates a new tool bar manager with the default SWT button style.
 * Use the <code>createControl</code> method to create the 
 * tool bar control.
 */
public ToolBarManager() {
}
/**
 * Creates a tool bar manager with the given SWT button style.
 * Use the <code>createControl</code> method to create the 
 * tool bar control.
 *
 * @param style the tool bar item style
 * @see org.eclipse.swt.widgets.ToolBar#ToolBar for valid style bits
 */
public ToolBarManager(int style) {
	itemStyle= style;
}
/**
 * Creates a tool bar manager for an existing tool bar control.
 * This manager becomes responsible for the control, and will
 * dispose of it when the manager is disposed.
 *
 * @param toolbar the tool bar control