Examine source code of Fox Web Security

{
  "manifest_version": 2,
  "name": "__MSG_extension_name__",
  "short_name": "__MSG_extension_name__",
  "description": "__MSG_extension_description__",
  "author": "Oleksandr Popov",
  "version": "4.5",
  "minimum_chrome_version": "45",
  "default_locale": "en",
  "applications": {
    "gecko": {
      "id": "foxweb@security"
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "skin/foxsecurity_gray_16.png"
    },
    "default_popup": "content/popup.html"
  },
  "background": {
    "scripts": [
      "background.js",
      "/resource/utils.js",
      "/resource/i18n.js",
      "/resource/prefs.js",
      "/resource/dns_servers.js",
      "/resource/punycode.js",
      "/content/header.js"
    ]
  },
  "options_ui": {
    "page": "content/options.html",
    "chrome_style": false,
    "open_in_tab": true
  },
  "permissions": [
    "contextMenus",
    "notifications",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "skin/foxsecurity_16.png",
    "32": "skin/foxsecurity_32.png",
    "48": "skin/foxsecurity_48.png",
    "64": "skin/foxsecurity_64.png",
    "128": "skin/foxsecurity_128.png"
  }
}