Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/UIUpdateJob.java
* have to show correct marker counts on UI, not an updating message.
			 */
			IContentProvider contentProvider = viewer.getContentProvider();
			contentProvider.inputChanged(viewer, view.getViewerInput(), clone);
			viewer.getTree().setRedraw(false);
			viewer.refresh(true);
			if (!monitor.isCanceled()) {
				
				view.reexpandCategories();
			}
			if (view.getBuilder().readChangeFlags()[0]) {
				
			}
			
			view.updateTitle();
			lastUpdateTime = System.currentTimeMillis();
		} finally {
			viewer.getTree().setRedraw(true);
			view.updateStatusLine((IStructuredSelection) viewer.getSelection());
			
			updating = false;
		}
		monitor.done();
		return Status.OK_STATUS;
	}
	/**
	 * @return Returns true if updating.
	 */
	boolean isUpdating() {
		return updating;