Bug 270952 [CommonNavigator] Eclipse RCP raises nullPointerException in makeSmallString for Project Explorer
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorContentServiceLabelProvider.java
}
		}
		return null;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
	 */
	public Color getBackground(Object anElement) {
		ILabelProvider[] labelProviders = contentService.findRelevantLabelProviders(anElement);
		for (int i = 0; i < labelProviders.length; i++) {
			ILabelProvider provider = labelProviders[i];
			if (provider instanceof IColorProvider) {
				IColorProvider colorProvider = (IColorProvider) provider;
				Color color = colorProvider.getBackground(anElement);
				if (color != null) {
					return color;
				}
			}
		}
		return null;
	}	
	/**
	 * <p>
	 * Indicates whether anElelement has aProperty that affects the display of the label.
	 * </p>
	 * {@inheritDoc}
	 * 
	 * @param anElement
	 *            An element from the Tree Viewer
	 * @param aProperty