Bug 54802 Delete IStatusLineWithProgressManager
M7 IStatusLineWithProgressManager is now obsolete and should be deleted by M8
bundles/org.eclipse.jface/src/org/eclipse/jface/action/StatusLineManager.java
}
/* (non-Javadoc)
 * Method declared on IStatusLineManager.
 */
public void setMessage(String message) {
	if (statusLineExist())
		((StatusLine) statusLine).setMessage(message);
	lastMessage = message;
}
/* (non-Javadoc)
 * Method declared on IStatusLineManager.
 */
public void setMessage(Image image, String message) {
	if (statusLineExist())
		((StatusLine) statusLine).setMessage(image, message);
	lastMessage = message;
	lastImage = image;
}
/**
 * Returns whether the status line control is created
 * and not disposed.
 * 
 * @return <code>true</code> if the control is created
 *	and not disposed, <code>false</code> otherwise
 */
private boolean statusLineExist() {
	return statusLine != null && !statusLine.isDisposed(); 
}
/* (non-Javadoc)
 * Method declared on IContributionManager.