chromium/src/third_party/blink/web_tests/platform/mac/paint/invalidation/background/body-background-image-expected.txt

{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "invalidations": [
        [8, 240, 784, 284]
      ]
    }
  ]
}