Error on next branch, material-ui >= 1.0.0.beta-30

[SPAHI4]

Uncaught TypeError: Cannot read property 'bottomLine' of undefined
    at styles (ChipInput.js:121)
    at Object.create (getStylesCreator.js:31)
    at WithStyles.attach (withStyles.js:275)
    at WithStyles.componentWillMount (withStyles.js:205)
    at callComponentWillMount (react-dom.development.js:9777)

Breaking changes here mui/material-ui#9970

[leMaik]

@SPAHI4 Thank you for the hint! Would you like to submit a PR? Working on this right now.