Examine source code of AWS AlwaysON

{
  "manifest_version": 2,
  "name": "AWS AlwaysON",
  "description": "Stay logged in to AWS console and get STS credentials for CLI access.",
  "version": "1.2.1",
  "browser_action": {
    "default_popup": "menu.html"
  },
  "icons": {
    "16": "img/icon128.svg",
    "48": "img/icon128.svg",
    "96": "img/icon128.svg"
  },
  "permissions": [
    "storage",
    "alarms",
    "*://*.google.com/*",
    "*://*.aws.amazon.com/*",
    "http://localhost/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10596329-3ff4-421f-bc8c-ec03f58b7b13}"
    }
  }
}