Examine source code of Meebook Checker

{
  "manifest_version": 2,
  "name": "Meebook Checker",
  "description": "This extension will check all your meebook stuff for you!",
  "version": "1.1resigned1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Meebook Checker"
  },
  "content_scripts": [
    {
      "matches": [
        "https://meebook.com/mine-forloeb/*"
      ],
      "js": [
        "pageGetter.js"
      ]
    }
  ],
  "permissions": [
    "https://meebook.com/mine-forloeb/*",
    "tabs",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{12b7037e-261e-420b-8980-54a7e2e1aaf4}"
    }
  }
}