Bug 100565 [Viewers] Tree viewer selection not revealed if unchanged
[RC3] Steps: 1. Check out org.eclipse.ui.workbench 2. Open Workbench.java 3. Ctrl-O to open Quick Outline 4. Type "r", note that the field "runEventLoop" is the first match 5. Type "u", note that the field is not shown anymore 6. Type arrow-down key, note that you cannot see the selected entry
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
* 
     * @param elements
     *           the elements to remove
     */
    public void remove(final Object[] elements) {
        assertElementsNotNull(elements);
        preservingSelection(new Runnable() {
            public void run() {
                internalRemove(elements);
            }
        });
    }
    /**
     * Removes the given element from the viewer. The selection is updated if
     * necessary.
     * <p>
     * This method should be called (by the content provider) when a single
     * element has been removed from the model, in order to cause the viewer to
     * accurately reflect the model. This method only affects the viewer, not
     * the model. Note that there is another method for efficiently processing
     * the simultaneous removal of multiple elements.
     * </p>
     * 
     * @param element
     *           the element
     */
    public void remove(Object element) {
        remove(new Object[] { element });
    }
    /**