Bug 113575 [Dialogs] opening a dialog on top of PopupDialog closes the popup
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
* its children. Subclasses may override this method, but typically do not.
	 * If a subclass wishes to exclude a particular control in its contents from
	 * getting the specified background color, it may instead override
	 * <code>PopupDialog.getBackgroundColorExclusions</code>.
	 * 
	 * @param color
	 *            the color to use as the background color
	 * @param control
	 *            the control whose color is to be changed
	 * @see PopupDialog#getBackgroundColorExclusions()
	 */
	protected void applyBackgroundColor(Color color, Control control) {
		applyBackgroundColor(color, control, getBackgroundColorExclusions());
	}
	/**
	 * Return a list of controls which should never have their foreground color
	 * reset. Subclasses may extend this method (should always call
	 * <code>super.getForegroundColorExclusions</code> to aggregate the list.
	 * 
	 * 
	 * @return the List of controls
	 */
	protected List getForegroundColorExclusions() {
		List list = new ArrayList(1);
		list.add(infoLabel);
		return list;
	}
	/**
	 * Return a list of controls which should never have their background color
	 * reset. Subclasses may extend this method (should always call