message: Trim the logging for URL previews
  It should be sufficient to have the error stack and general log message for URL
  preview failure.
diff: @@ -52,7 +52,7 @@ module.exports = React.createClass({
  this.props.onHeightChanged,
  );
  }, (error)=>{
  - console.error("Failed to get preview for " + this.props.link + " " + error);
  + console.error("Failed to get URL preview: " + error);
  }).done();
  },
  