Examine source code of SPOJ-ToDo

{
  "manifest_version": 2,
  "name": "SPOJ-ToDo",
  "version": "1.1resigned1",
  "description": "Easily add problems to a ToDo list and view them in profile.",
  "content_scripts": [
    {
      "matches": [
        "*://*.spoj.com/myaccount/"
      ],
      "js": [
        "profile.js"
      ]
    },
    {
      "matches": [
        "*://*.spoj.com/problems/*"
      ],
      "js": [
        "problem.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d5a5c92d-0f41-4e38-84e3-9870b945fee8}"
    }
  }
}