Examine source code of NoMobile

{
  "description": "",
  "manifest_version": 2,
  "name": "NoMobile",
  "version": "1.2resigned1",
  "homepage_url": "https://stevenwebsiteinbox@bitbucket.org/stevenwebsiteinbox/nomobile",
  "icons": {
    "48": "icons/icon.png"
  },
  "applications": {
    "gecko": {
      "id": "nomobile@mozilla.org",
      "strict_min_version": "45.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "nomobile.js"
      ]
    }
  ]
}