Bug 130631 Sliding job should be a system job
20050306 The title are dialog sliding job is showing up in my progress view. It should be a system job.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/TitleAreaDialog.java
private String errorMessage;
    private Text messageLabel;
    private Composite workArea;
    
	private Composite titleArea;
    private Label messageImageLabel;
    private Image messageImage;
    private boolean showingError = false;
    private boolean titleImageLargest = true;
    
    private int messageLabelHeight;
    
    private MessageArea messageArea;
    /**
     * Instantiate a new title area dialog.
     * 
     * @param parentShell
     *            the parent SWT shell
     */
    public TitleAreaDialog(Shell parentShell) {
        super(parentShell);
    }
    /*
     * @see Dialog.createContents(Composite)
     */
    protected Control createContents(Composite parent) {
    	
    	Composite contents = new Composite(parent, SWT.NONE);
        contents.setLayoutData(new GridData(GridData.FILL_BOTH));