Examine source code of NoFriendTagging

{
  "manifest_version": 2,
  "name": "NoFriendTagging",
  "version": "1.1resigned1",
  "description": "Removes facebook's 'Choose a friend to tag' suggestion when clicking to see comments on a post.",
  "developer": {
    "name": "Nikos Moumoulidis",
    "url": "https://github.com/nikosmoum"
  },
  "icons": {
    "48": "icons/add_person_disable_48dp.png",
    "96": "icons/add_person_disable_96dp.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "hide-tag-suggestion.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ec04700-d323-4fc0-8ba6-84f9820de215}"
    }
  }
}