content: import React from 'react';
  
  export default (Component) => {
      class MDLUpgradedComponent extends React.Component {
          componentDidMount() {
              componentHandler.upgradeElement(React.findDOMNode(this));
          }
  
          componentWillUnmount() {
              componentHandler.downgradeElements(React.findDOMNode(this));
          }
  
          render() {
              return <Component {...this.props} />;
          }
      }
  
      return MDLUpgradedComponent;
  };
  