Bug 177183 [Dialogs] PopupDialog should show the view menu on mouseDown
I20070306-1200 PopupDialog should show the view menu on mouseDown. Trivial fix follows.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
* the dialog bounds should be persisted is to be shown.
	 */
	private boolean showPersistAction = false;
	/**
	 * Flag specifying whether the bounds of the popup should be persisted. This
	 * flag is updated by a menu if the menu is shown.
	 */
	private boolean persistBounds = false;
	/**
	 * Text to be shown in an optional title area (on top).
	 */
	private String titleText;
	/**
	 * Text to be shown in an optional info area (at the bottom).
	 */
	private String infoText;
	/**
	 * Constructs a new instance of <code>PopupDialog</code>.
	 * 
	 * @param parent
	 *            The parent shell.
	 * @param shellStyle
	 *            The shell style.
	 * @param takeFocusOnOpen
	 *            A boolean indicating whether focus should be taken by this
	 *            popup when it opens.
	 * @param persistBounds
	 *            A boolean indicating whether the bounds should be persisted
	 *            upon close of the dialog. The bounds can only be persisted if
	 *            the dialog settings for persisting the bounds are also