Bug 75689 [Progress] Progress bar does not work while creating patch
Using build I200410050800. While creating a patch file, progress is always empty even if the cvs diff takes a long time. Seem to be a regression as it worked with M2...
bundles/org.eclipse.jface/src/org/eclipse/jface/operation/AccumulatingProgressMonitor.java
/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.operation;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IProgressMonitorWithBlocking;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.ProgressMonitorWrapper;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.util.Assert;
import org.eclipse.swt.widgets.Display;
/**