Examine source code of PSud Navigation

{
  "manifest_version": 2,
  "name": "PSud Navigation",
  "version": "1.2resigned1",
  "description": "Navigation entre les applications PSud",
  "icons": {
    "48": "icons/psud.png"
  },
  "permissions": [
    "notifications"
  ],
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content-script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{77f5cc61-309b-490f-95ef-727c99d013bc}"
    }
  }
}