Examine source code of Predefined Cookie Loader

{
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.0.1",
  "homepage_url": "https://github.com/litetex/predefined-cookie-loader",
  "author": "litetex",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_title": "__MSG_extensionName__",
    "default_popup": "browserAction/browserAction.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options/options.html"
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "cookies",
    "storage"
  ],
  "background": {
    "scripts": [
      "background/scripts/cookieloader.js"
    ]
  },
  "default_locale": "en",
  "manifest_version": 2
}