Bug 214492 [Markers] Need to be able to add filters to existing markers views
Currently you can only add filters to a new markerContentProvider. We need to able to bind them to existing markerContentProviders as well.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
}
			if (markerTypes.isEmpty()) {
				MarkerType[] types = MarkerTypesModel.getInstance().getType(
						IMarker.PROBLEM).getAllSubTypes();
				for (int i = 0; i < types.length; i++) {
					markerTypes.add(types[i]);
				}
			}
		}
		return markerTypes;
	}
	/**
	 * Return the name for the receiver.
	 * 
	 * @return String
	 */
	String getName() {
		return configurationElement
				.getAttribute(MarkerSupportConstants.ATTRIBUTE_NAME);
	}
	/**
	 * Return all of the projects being shown.
	 * 
	 * @param focusResources
	 * @return IResource[]
	 */
	private IResource[] getProjects(IResource[] focusResources) {
		if (focusResources.length == 0)
			return EMPTY_RESOURCE_ARRAY;
		HashSet projects = new HashSet();