Bug 167170 [Markers] Need to check for duplicate filter names
M3 It is currently possible to enter duplicate filter names
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
}
	/**
	 * Crate a newFilter called newName
	 * 
	 * @param newName
	 * @return MarkerFilter
	 */
	protected abstract MarkerFilter newFilter(String newName);
	/**
	 * Create the area for the selected filter.
	 * 
	 * @param composite
	 */
	Composite createSelectedFilterArea(Composite composite) {
		Composite selectedComposite = new Composite(composite, SWT.NONE);
		selectedComposite.setLayout(new GridLayout(2, false));
		Composite leftComposite = new Composite(selectedComposite, SWT.NONE);
		leftComposite.setLayout(new GridLayout());
		leftComposite
				.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		createResourceArea(leftComposite);
		createAttributesArea(leftComposite);
		Composite rightComposite = new Composite(selectedComposite, SWT.NONE);
		createTypesArea(rightComposite);
		rightComposite.setLayout(new GridLayout());
		rightComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
				true));
		return selectedComposite;
	}
	/**