Bug 110998 [Problems] Remove the working set selection and switch to using global working sets
M2 We need to remove the working sets option in the filter and switch to using the current list of working sets. We should move this to a preference that says only "Use Working Sets"
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
pendingMarkerUpdates.clear();
			return Status.OK_STATUS;
		}
		/* (non-Javadoc)
		 * @see org.eclipse.ui.progress.WorkbenchJob#shouldRun()
		 */
		public boolean shouldRun() {
			return buildDone;
		}	
	}
	private UpdateJob updateJob = new UpdateJob();
	
	
	private int preBusyMarkers = 0;
	protected Object[] focusElements;
	private Clipboard clipboard;
	IResourceChangeListener markerUpdateListener = new IResourceChangeListener() {
		/* (non-Javadoc)
		 * @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent)
		 */
		public void resourceChanged(IResourceChangeEvent event) {
			String[] markerTypes = getMarkerTypes();
			Collection changedMarkers = new ArrayList();
			Collection addedMarkers = new ArrayList();
			Collection removedMarkers = new ArrayList();
			
			if(event.getType() == IResourceChangeEvent.PRE_BUILD){
				updateJob.buildDone = false;
				return;
			}