public void updateState(final Set<CustomRollUpMask> customRollUpMasks) {
        maskList.clear();
        maskList.addMasks(customRollUpMasks);

        addNoRollUpPerm();

        removeAllColumns();
        addColumns();

        refreshModel();
    }
Call this method to inform this that it needs to update its display based
on state that has changed on another tab

@param customRollUpMasks The rollup masks as updated by another tab
stroom-statistics/stroom-statistics-client/src/main/java/stroom/statistics/impl/hbase/client/presenter/StroomStatsStoreCustomMaskListPresenter.java