message: DRY the code a little bit in anticipation of
  which sends a `focus_composer` onCancelClick()
diff: @@ -81,7 +81,6 @@ module.exports = React.createClass({
  switch (ev.keyCode) {
  case KeyCode.ESCAPE:
  this.props.onCancelClick();
  - dis.dispatch({action: 'focus_composer'});
  break;
  }
  },
  