Bug 331582 binding context processing should be done in binding Contexts addon
org.eclipse.e4.ui.model.application.commands.MBindings.getBindingContexts() is currently processed in E4Workbench but should be done by the binding contexts model processing add on, and should add the event broker to listen to additions. PW
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/E4Workbench.java
/*******************************************************************************
 * Copyright (c) 2008, 2010 BestSolution.at and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.ui.internal.workbench;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.e4.core.commands.EHandlerService;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;