Bug 214137 [Markers] Unbound system filters should be bound to problems view.
In 3.3 we supported systemFilters which are not currently picked up by the problems view. We should pick these up for compatiblity.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CompletionFieldFilter.java
final static int COMPLETED = 2;
	final static int NOT_COMPLETED = 1;
	private static int ALL_SELECTED = COMPLETED + NOT_COMPLETED;
	private int completion = ALL_SELECTED;
	private static String COMPLETION_ATTRIBUTE = "completion"; 
	/**
	 * Create a new instance of the receiver.
	 */
	public CompletionFieldFilter() {
		super();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerFieldFilter#loadSettings(org.eclipse.ui.IMemento)
	 */
	public void loadSettings(IMemento memento) {
		Integer completionValue = memento.getInteger(COMPLETION_ATTRIBUTE);
		if (completionValue == null)
			return;
		completion = completionValue.intValue();
	}