Examine source code of ReddSafer

{
  "manifest_version": 2,
  "name": "ReddSafer",
  "version": "1.0",
  "description": "Redirects all Reddit URLs in Google search results to ReddSafe.com instead.",
  "icons": {
    "48": "icons/reddsafer-48.png",
    "96": "icons/reddsafer-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.google.com/*"
      ],
      "js": [
        "reddsafer.js"
      ]
    }
  ]
}