Examine source code of Reddit UI Redirector

{
  "manifest_version": 2,
  "name": "Reddit UI Redirector",
  "version": "3.3",
  "description": "Redirects reddit.com URLs to new.reddit.com.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "https://reddit.com/*",
    "https://www.reddit.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c4c2a23-058d-42ea-816a-6cdc854f77e7}"
    }
  }
}