Examine source code of Reddold

{
  "manifest_version": 2,
  "name": "Reddold",
  "version": "3resigned1",
  "description": "Redirects www.reddit.com to old.reddit.com",
  "icons": {
    "48": "icons/icon2_48.png",
    "96": "icons/icon2_96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://www.reddit.com/"
  ],
  "background": {
    "scripts": [
      "redirect_to_old.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f28cd3f7-e131-4e45-bb33-f65565da1246}"
    }
  }
}