Bug 138651 [Markers] Bookmark, problem and tasks view don't restore column widths
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/TableView.java
* 
	 * @param preferencesAction
	 */
	void setPreferencesAction(ViewPreferencesAction preferencesAction) {
		this.preferencesAction = preferencesAction;
	}
	/**
	 * Get the content provider
	 * 
	 * @return MarkerTreeContentProvider
	 */
	MarkerTreeContentProvider getContentProvider() {
		return contentProvider;
	}
	/**
	 * Return the input to the viewer.
	 * 
	 * @return Object
	 */
	public Object getViewerInput() {
		return getViewer().getInput();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#setSortIndicators()
	 */
	void setSortIndicators() {
		IField top = getTableSorter().getTopField();
		TreeColumn[] columns = getViewer().getTree().getColumns();