{
  "layers": [
    {
      "name": "LayoutView #document",
      "bounds": [800, 600],
      "drawsContent": false,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "Scrolling Layer",
      "bounds": [800, 600],
      "drawsContent": false
    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutIFrame IFRAME id='parent-iframe'",
      "bounds": [390, 240],
      "transform": 1
    },
    {
      "name": "LayoutView #document",
      "position": [45, 45],
      "bounds": [300, 150],
      "drawsContent": false,
      "backgroundColor": "#C0C0C0",
      "transform": 1
    },
    {
      "name": "Scrolling Layer",
      "position": [45, 45],
      "bounds": [285, 150],
      "drawsContent": false,
      "transform": 1
    },
    {
      "name": "Scrolling Contents Layer",
      "position": [45, 45],
      "bounds": [285, 230],
      "backgroundColor": "#C0C0C0",
      "transform": 1
    },
    {
      "name": "LayoutBlockFlow DIV id='test' class='composited box'",
      "bounds": [210, 210],
      "contentsOpaque": true,
      "backgroundColor": "#0000FF",
      "transform": 2
    },
    {
      "name": "Overflow Controls Host Layer",
      "position": [45, 45],
      "bounds": [300, 150],
      "drawsContent": false,
      "transform": 1
    },
    {
      "name": "Vertical Scrollbar Layer",
      "position": [330, 45],
      "bounds": [15, 150],
      "drawsContent": false,
      "transform": 1
    },
    {
      "name": "LayoutBlockFlow (positioned) DIV class='overlay'",
      "position": [5, 5],
      "bounds": [50, 50],
      "backgroundColor": "#00000033"
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [-2, -2, 0, 1]
      ]
    },
    {
      "id": 2,
      "parent": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [63, 55, 0, 1]
      ]
    }
  ]
}