Bug 29163 SafeRunnable needs to be accessible in JFace
We need to be able to access the SafeRunnable in JFace in order that some error protection can be added to preferences and properties dialogs.
bundles/org.eclipse.ui.workbench/extensions/org/eclipse/jface/action/SubStatusLineManager.java
private Image image;
/**
 * Constructs a new manager.
 *
 * @param mgr the parent manager.  All contributions made to the 
 *      <code>SubStatusLineManager</code> are forwarded and appear in the
 *      parent manager.
 */
public SubStatusLineManager(IStatusLineManager mgr) {
	super(mgr);
	parentMgr = mgr;
}
/* (non-Javadoc)
 * Method declared on IStatusLineManager.
 */
public IProgressMonitor getProgressMonitor() {
	return parentMgr.getProgressMonitor();
}
/* (non-Javadoc)
 * Method declared on IStatusLineManager.
 */
public boolean isCancelEnabled() {
	return parentMgr.isCancelEnabled();
}
/* (non-Javadoc)
 * Method declared on IStatusLineManager.
 */
public void setCancelEnabled(boolean enabled) {
	parentMgr.setCancelEnabled(enabled);
}