chromium/third_party/blink/web_tests/compositing/force-compositing-mode/overflow-hidden-iframe-layer-expected.txt

{
  "layers": [
    {
      "name": "Scrolling background of LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#0000FF"
    }
  ]
}