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
public static final String END_GROUP = "END_GROUP"; 
	
	/**
	 * The status line control; <code>null</code> before
	 * creation and after disposal.
	 */
	private Composite statusLine = null;
	
	private String lastMessage;
	private Image lastImage;
	
/**
 * Creates a new status line manager.
 * Use the <code>createControl</code> method to create the 
 * status line control.
 */
public StatusLineManager() {
    
}
/**
 * Creates and returns this manager's status line control. 
 * Does not create a new control if one already exists.
 *
 * @param parent the parent control
 * @param style the style for the control
 * @return the status line control
 * @since 3.0 before 3.0, the return type was the package-private class <code>StatusLine</code>
 */
public Control createControl(Composite parent) {
    return createControl(parent, SWT.NONE);