Version 15.4.1

As starting Chrome 55, there is a new event `auxclick` to handle middle click, and `click` doesn't trigger by middle click anymore
https://developers.google.com/web/updates/2016/10/auxclick
export const TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel');
export const mediaEventTypes = [
  TOP_ABORT,
  TOP_CAN_PLAY,
  TOP_CAN_PLAY_THROUGH,
  TOP_DURATION_CHANGE,
  TOP_EMPTIED,
  TOP_ENCRYPTED,
  TOP_ENDED,
  TOP_ERROR,
  TOP_LOADED_DATA,
  TOP_LOADED_METADATA,
  TOP_LOAD_START,
  TOP_PAUSE,
  TOP_PLAY,
  TOP_PLAYING,
  TOP_PROGRESS,
  TOP_RATE_CHANGE,
  TOP_SEEKED,
  TOP_SEEKING,
  TOP_STALLED,
  TOP_SUSPEND,
  TOP_TIME_UPDATE,
  TOP_VOLUME_CHANGE,
  TOP_WAITING,
];
export function getRawEventName(topLevelType: DOMTopLevelEventType): string {
  return unsafeCastDOMTopLevelTypeToString(topLevelType);
}