passing className down as well

Author: PolGuixe

src/components/AppBar/AppBar.jsx

@@ -1,5 +1,7 @@
 // @flow weak
 
+// TODO Is this component required anymore?
+
 import React from 'react';
 import PropTypes from 'prop-types';
 import { withStyles } from 'material-ui/styles';
@@ -14,12 +16,13 @@ class AppBar extends React.PureComponent {
     children: PropTypes.element,
     position: PropTypes.string,
     color: PropTypes.string,
+    className: PropTypes.string,
   };
 
   render() {
-    const { children, position, classes, color, ...other } = this.props;
+    const { children, position, classes, color, className, ...other } = this.props;
     return (
-      <MaterialUIAppBar position={position} color={color}>
+      <MaterialUIAppBar position={position} color={color} className={className}>
         {React.cloneElement(children, { ...other })}
       </MaterialUIAppBar>
     );