Examine source code of StreamCloud Pro Oficial

{
  "description": "Redirecciona las urls Streamcloud.eu a Streamcloud.pro automaticamente.",
  "manifest_version": 2,
  "name": "StreamCloud Pro",
  "version": "1.1resigned1",
  "homepage_url": "http://streamcloud.pro/",
  "icons": {
    "48": "icon48.png"
  },
  "applications": {
    "gecko": {
      "id": "joseherreraxx46@gmail.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "webRequest",
    "*://streamcloud.eu/*",
    "*://www.streamcloud.eu/*",
    "storage",
    "webRequestBlocking"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://streamcloud.eu/*",
        "*://www.streamcloud.eu/*"
      ]
    }
  ]
}