Bug 120463 Need to integrate ICU4J into platform
Now that ICU4J will be in the build for M4, we need to work on getting the required changes into the platform. Doug will submit the changes as a set of patches which I will delegate to plugin owners.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
elementMap = new CustomHashtable(elementMap, comparer);
		}
	}
	/**
	 * Hook for testing.
	 * @param element
	 * @return Widget
	 */
	public Widget testFindItem(Object element) {
		return findItem(element);
	}
	/**
	 * Hook for testing.
	 * @param element
	 * @return Widget[]
	 * @since 3.2
	 */
	public Widget[] testFindItems(Object element) {
		return findItems(element);
	}
	
	/**
	 * Removes all elements from the map.
	 * <p>
	 * This method is internal to the framework; subclassers should not call
	 * this method.
	 * </p>
	 */
	protected void unmapAllElements() {
		if (elementMap != null) {