Examine source code of Anti Phish

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "a4a02c81e49544051c590f0649f3156e1a74f59c@anti-phish"
    }
  },
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.4resigned1",
  "homepage_url": "https://github.com/stuw/anti-phish",
  "icons": {
    "50": "icons/icons8-phishing-50.png"
  },
  "permissions": [
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "jquery-3.1.0.min.js",
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "default_locale": "en"
}