Examine source code of Redirect Assistant

{
  "manifest_version": 2,
  "name": "Redirect Assistant",
  "version": "1.0",
  "description": "Automatically bypass intermediate pages and redirect to your final destination.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{208cfa81-b9ca-4df8-9550-8dbfd44ffd94}"
    }
  }
}