Examine source code of AWS Role Switcher

{
  "manifest_version": 2,
  "name": "AWS Role Switcher",
  "version": "0.3.0",
  "description": "Easily switch between AWS roles based on predefined profiles.",
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>",
    "contextualIdentities",
    "cookies"
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "options_ui": {
    "page": "html/options.html",
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.console.aws.amazon.com/*"
      ],
      "js": [
        "js/browser-polyfill.js",
        "js/content.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_action": {
    "default_popup": "html/popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "aws-role-switcher@gerdou.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  }
}