Examine source code of 3D Warehouse Finder

{
  "manifest_version": 3,
  "name": "3D Warehouse Finder",
  "version": "1.0",
  "description": "SketchUp 3D Warehouse image search.",
  "homepage_url": "https://3dwarehouse.sketchup.com/",
  "browser_specific_settings": {
    "gecko": {
      "id": "3dwarehouse-finder@sketchup.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "contextMenus"
  ],
  "host_permissions": [
    "https://dev-3dwarehouse.sketchup.com/*",
    "https://stg-3dwarehouse.sketchup.com/*",
    "https://3dwarehouse.sketchup.com/*"
  ],
  "background": {
    "scripts": [
      "assets/background.js-B6X5B1Ox.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "assets/content.js-l0sNRNKZ.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "src/images/3dw-logo-16.png",
      "32": "src/images/3dw-logo-32.png",
      "48": "src/images/3dw-logo-48.png",
      "128": "src/images/3dw-logo-128.png"
    }
  },
  "icons": {
    "16": "src/images/3dw-logo-16.png",
    "32": "src/images/3dw-logo-32.png",
    "48": "src/images/3dw-logo-48.png",
    "128": "src/images/3dw-logo-128.png"
  }
}