int PaintLayerScrollableArea::ScrollSize(
    ScrollbarOrientation orientation) const {
  IntSize scroll_dimensions =
      MaximumScrollOffsetInt() - MinimumScrollOffsetInt();
  return (orientation == kHorizontalScrollbar) ? scroll_dimensions.Width()
                                               : scroll_dimensions.Height();
}

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.