Bug 313407 EPartService needs to use EModelService's bringToTop method
The EMS variant considers shared parts, the EPS should delegate accordingly.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/HeadlessContextPresentationEngine.java
Object parent = event
							.getProperty(UIEvents.EventTags.ELEMENT);
					createGui((MUIElement) element, parent);
				}
			}
		};
		eventBroker.subscribe(UIEvents.buildTopic(
				UIEvents.ElementContainer.TOPIC,
				UIEvents.ElementContainer.SELECTEDELEMENT), activeChildHandler);
		toBeRenderedHandler = new EventHandler() {
			public void handleEvent(Event event) {
				MUIElement element = (MUIElement) event
						.getProperty(UIEvents.EventTags.ELEMENT);
				Boolean value = (Boolean) event
						.getProperty(UIEvents.EventTags.NEW_VALUE);
				if (value.booleanValue()) {
					createGui(element, element.getParent());
				} else {
					removeGui(element);
				}
			}
		};
		eventBroker.subscribe(UIEvents.buildTopic(UIEvents.UIElement.TOPIC,
				UIEvents.UIElement.TOBERENDERED), toBeRenderedHandler);
	}
	public void setCreateContributions(boolean createContributions) {
		this.createContributions = createContributions;
	}
	/*
	 * (non-Javadoc)