Bug 330699 [Compatibility] Toolbar drop downs do not appear
Toolbar drop downs in the workbench window like search, new class, run/debug all don't show up.
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/ToolItemRenderer.java
MHandledItem handledItem = (MHandledItem) item;
			IEclipseContext context = getContext(item);
			EBindingService bs = (EBindingService) context
					.get(EBindingService.class.getName());
			ParameterizedCommand cmd = handledItem.getWbCommand();
			if (cmd == null) {
				cmd = generateParameterizedCommand(handledItem, context);
			}
			TriggerSequence sequence = bs.getBestSequenceFor(handledItem
					.getWbCommand());
			if (sequence != null) {
				if (text == null) {
					try {
						text = cmd.getName();
					} catch (NotDefinedException e) {
						return null;
					}
				}
				text = text + " (" + sequence.format() + ')'; 
			}
			return text;
		}
		return text;
	}
	public Object createWidget(final MUIElement element, Object parent) {
		if (!(element instanceof MToolItem) || !(parent instanceof ToolBar))
			return null;
		MToolItem itemModel = (MToolItem) element;
		
		int addIndex = calcVisibleIndex(element);