Examine source code of Revive Enchanced

{
  "manifest_version": 2,
  "name": "Revive compatibility checker",
  "description": "Shows if the Oculus game is working with Revive",
  "version": "0.0.2resigned1",
  "background": {
    "scripts": [
      "apiget.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab",
    "tabs",
    "http://garmea.com/go/revive/jsonapi.php*"
  ],
  "web_accessible_resources": [
    "icon.png"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.oculus.com/experiences/rift/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3343be83-8df7-499c-913c-c0c4995238f6}"
    }
  }
}