Bug 120921 [PopupDialog] Keybindings lost after using PopupDialog
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
* dialogs (value is 1).
	 */
	public final static int POPUP_HORIZONTALSPACING = 1;
	/**
	 * Border thickness in pixels.
	 */
	private static final int BORDER_THICKNESS = 1;
	/**
	 * The dialog's toolbar for the move and resize capabilities.
	 */
	private ToolBar toolBar = null;
	/**
	 * The dialog's menu manager.
	 */
	private MenuManager menuManager = null;
	/**
	 * The control representing the main dialog area.
	 */
	private Control dialogArea;
	/**
	 * Labels that contain title and info text. Cached so they can be updated
	 * dynamically if possible.
	 */
	private Label titleLabel, infoLabel;
	/**
	 * Separator controls. Cached so they can be excluded from color changes.
	 */
	private Control titleSeparator, infoSeparator;
	/**
	 * The images for the dialog menu.