Bug 297731 [Filters] We could have IResourceFilterDescription#delete instead of IContainer#removeFilter ?
This is the pattern used for resource markers. It is just a minor issue, however would make new API look more consistent.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
column.setMoveable(false);
		column.setAlignment(SWT.CENTER);
		column.setWidth(getMinimumColumnWidth(column, 70));
		filterView.getTree().setHeaderVisible(true);
		filterView.getTree().showColumn(filterView.getTree().getColumn(0));
		labelProvider = new LabelProvider();
		filterView.setLabelProvider(labelProvider);
		CellEditor[] editors = new CellEditor[5];
		editors[0] = new ComboBoxCellEditor(filterView.getTree(),
				FilterTypeUtil.getFilterNames(false), SWT.READ_ONLY);
		editors[1] = new ComboBoxCellEditor(filterView.getTree(),
				FilterTypeUtil.getModes(), SWT.READ_ONLY);
		editors[2] = new ComboBoxCellEditor(filterView.getTree(),
				FilterTypeUtil.getTargets(), SWT.READ_ONLY);
		editors[3] = new CheckboxCellEditor(filterView.getTree());
		editors[4] = new TextCellEditor(filterView.getTree());
		if (tableViewCellEditorAdequatlyUsable) {
			filterView.setCellEditors(editors);
			filterView.setCellModifier(new CellModifier());
		}
		filterView.getTree().addMouseListener(new MouseListener() {
			public void mouseDoubleClick(MouseEvent e) {
				handleEdit();
			}
			public void mouseDown(MouseEvent e) {
			}
			public void mouseUp(MouseEvent e) {
			}
		});
		FilterCopyDrag drag = new FilterCopyDrag();