chromium/third_party/blink/web_tests/compositing/contents-opaque/overflow-hidden-child-layers-expected.txt

{
  "layers": [
    {
      "name": "Scrolling background of LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow DIV class='box'",
      "position": [-30, -30],
      "bounds": [160, 160],
      "backgroundColor": "#C0C0C0",
      "transform": 1
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [58, 50, 0, 1]
      ]
    }
  ]
}