message: apply IconButton breaking changes to Tabs
diff: @@ -5,6 +5,7 @@ import withTheme from 'material-ui/styles/withTheme';
  import Paper from 'material-ui/Paper';
  import Tabs from 'material-ui/Tabs';
  import Tab from 'material-ui/Tabs/Tab';
  +import Icon from 'material-ui/Icon';
  import * as viewType from '../constants/date-picker-view';
  const viewToTabIndex = (openView) => {
  @@ -49,8 +50,8 @@ export const DateTimePickerTabs = (props) => {
  className={classes.tabs}
  indicatorColor={indicatorColor}
  >
  - <Tab value="date" icon={dateRangeIcon} />
  - <Tab value="time" icon={timeIcon} />
  + <Tab value="date" icon={<Icon>{dateRangeIcon}</Icon>} />
  + <Tab value="time" icon={<Icon>{timeIcon}</Icon>} />
  </Tabs>
  </Paper>
  );
  