message: refactor(scroll-bar): add event handler class
diff: @@ -128,8 +128,6 @@ export default class Scroller {
  if (this.options.translateZ) {
  transformStyle.push(this.options.translateZ)
  }
  - const { x, y } = point
  - this.updateAllPositions(x, y)
  }
  )
  }
  