chromium/src/third_party/blink/web_tests/flag-specific/highdpi/paint/invalidation/transform/subtree-layoutstate-transform-expected.txt

{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [1200, 900],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "invalidations": [
        [42, 69, 300, 300]
      ]
    }
  ]
}