B2G/gecko/browser/components/thumbnails/PageThumbs.jsm
/**
   * Handle a message from the dedicated thread.
   */
Handle a message from the dedicated thread.
Handle a message from the dedicated thread .
function Worker_handleEvent(aEvent) {
    let callback = this._callbacks.shift();
    if (callback)
      callback(aEvent.data);
  }
function Worker_handleEvent ( aEvent ) { let callback = this . _callbacks . shift ( ) ; if ( callback ) callback ( aEvent . data ) ; }
Handle a message from the dedicated thread.
Handle a message from the dedicated thread .