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
return;
					}
					SafeRunner.run(new ISafeRunnable() {
						public void run() throws Exception {
							EHandlerService service = lclContext
									.get(EHandlerService.class);
							if (service == null) {
								
								return;
							}
							ParameterizedCommand cmd = item.getWbCommand();
							if (cmd == null) {
								cmd = generateParameterizedCommand(item,
										lclContext);
							}
							if (cmd == null) {
								return;
							}
							item.setEnabled(service.canExecute(cmd));
						}
						public void handleException(Throwable exception) {
							if (!logged) {
								logged = true;
								logger.error(
										exception,
										"Internal error during tool item enablement updating, this is only logged once per tool item."); 
							}
						}
					});