Bug 321995 Application-Context should hold Display-Realm
The application context should hold the databinding realm for the current SWT-Display it can then be used to by code to synchronize with the UI-Thread in a widget-toolkit agnostic way.
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/internal/workbench/swt/E4Application.java
private static final String PLUGIN_ID = "org.eclipse.e4.ui.workbench.swt"; 
	
	public static final String METADATA_FOLDER = ".metadata"; 
	private static final String VERSION_FILENAME = "version.ini"; 
	private static final String WORKSPACE_VERSION_KEY = "org.eclipse.core.runtime"; 
	private static final String WORKSPACE_VERSION_VALUE = "2"; 
	private String[] args;
	private IModelResourceHandler handler;
	private Display display = null;
	public static final String THEME_ID = "cssTheme";
	private Object lcManager;
	public Display getApplicationDisplay() {
		if (display == null) {
			display = Display.getDefault();
		}
		return display;