Examine source code of TOR OMG

{
  "manifest_version": 2,
  "name": "TOR OMG",
  "version": "0.1",
  "version_name": "0.1 beta",
  "description": "Adds Onion Mirror Guidelines spec to help you identify phishing sites.",
  "author": "Brandon Arp",
  "icons": {
    "48": "NoFish-48.png",
    "96": "NoFish-96.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "16": "button/unknown-16.png",
      "32": "button/unknown-32.png"
    },
    "default_title": "Page Status Unknown",
    "default_popup": "popup/navbar.html"
  },
  "background": {
    "scripts": [
      "openpgp.min.js",
      "script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.onion/*"
      ],
      "js": [
        "page_script.js"
      ]
    }
  ]
}