Examine source code of Reddit Redirect

{
  "manifest_version": 2,
  "name": "Reddit Redirect",
  "version": "1.1",
  "permissions": [
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "reddit-redirect-firefox@example.org"
    }
  }
}