Bug 119599 [Dialogs] Every PopupDialiog is leaked if PopupDialolg.HOVER_SHELLSTYLE or SWT.ON_TOP is set
I20051206-1200 Every PopupDialiog is leaked if PopupDialolg.HOVER_SHELLSTYLE or SWT.ON_TOP is set. Reason: a deactivate listener is added to the popup shell's parent but is never removed.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
layout.verticalSpacing = POPUP_VERTICALSPACING;
		layout.horizontalSpacing = POPUP_HORIZONTALSPACING;
		titleAreaComposite.setLayout(layout);
		titleAreaComposite
				.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		createTitleControl(titleAreaComposite);
		if (showDialogMenu) {
			createDialogMenu(titleAreaComposite);
		}
		return titleAreaComposite;
	}
	/**
	 * Creates the control to be used to represent the dialog's title text.
	 * Subclasses may override if a different control is desired for
	 * representing the title text, or if something different than the title
	 * should be displayed in location where the title text typically is shown.
	 * 
	 * <p>
	 * If this method is overridden, the returned control's layout data must be
	 * an instance of <code>GridData</code>. This method must not modify the
	 * parent's layout.
	 * 
	 * @param parent
	 *            The parent composite.
	 * @return The Control representing the title area.
	 */
	protected Control createTitleControl(Composite parent) {
		titleLabel = new Label(parent, SWT.NONE);
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		if (!showDialogMenu)