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 = newHashtable(CustomHashtable.DEFAULT_CAPACITY);
		}
	}
	/**
	 * Removes the given element from the internal element to widget map. Does
	 * nothing if mapping is disabled. If mapping is enabled, the given element
	 * must be present.
	 * <p>
	 * This method is internal to the framework; subclassers should not call
	 * this method.
	 * </p>
	 * 
	 * @param element
	 *            the element
	 */
	protected void unmapElement(Object element) {
		if (elementMap != null) {
			elementMap.remove(element);
		}
	}
	/**
	 * Removes the given association from the internal element to widget map.
	 * Does nothing if mapping is disabled, or if the given element does not map
	 * to the given item.
	 * <p>
	 * This method is internal to the framework; subclassers should not call
	 * this method.
	 * </p>
	 * 
	 * @param element