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
ITreeContentProvider cp = (ITreeContentProvider) getContentProvider();
            if (cp == null) {
                return null;
            }
            Object parent = cp.getParent(element);
            if (parent != null) {
                Widget pw = internalExpand(parent, false);
                if (pw != null) {
                    
                    createChildren(pw);
                    
                    if (pw instanceof Item) {
                        Item item = (Item) pw;
                        w = internalFindChild(item, element);
                        if (expand) {
                        	
                        	while (item != null && !getExpanded(item)) {
                        		setExpanded(item, true);
                        		item = getParentItem(item);
                        	}
                        }
                    }
                }
            }
        }
        return w;
    }
    /**
     * Returns the widget to be selected for the given element.
     *