This is a long-standing bug with Chromium ([Issue 854609][1]). [Comment 22][2] and [Comment 26][3] explains why this is a difficult issue to resolve.


  [1]: https://bugs.chromium.org/p/chromium/issues/detail?id=854609
  [2]: https://bugs.chromium.org/p/chromium/issues/detail?id=854609#c22
  [3]: https://bugs.chromium.org/p/chromium/issues/detail?id=854609#c26