Examine source code of BonPatron

{
  "name": "BonPatron",
  "version": "0.5resigned1",
  "author": "Camille Bouvat",
  "description": "Utilisez BonPatron d'un simple clic-droit !",
  "permissions": [
    "contextMenus",
    "tabs",
    "activeTab",
    "storage",
    "<all_urls>"
  ],
  "icons": {
    "16": "/img/16.png",
    "32": "/img/32.png",
    "48": "/img/48.png",
    "64": "/img/64.png",
    "96": "/img/96.png",
    "128": "/img/128.png",
    "256": "/img/256.png"
  },
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "16": "/img/16.png",
      "32": "/img/32.png",
      "48": "/img/48.png",
      "64": "/img/64.png",
      "96": "/img/96.png",
      "128": "/img/128.png",
      "256": "/img/256.png"
    },
    "default_title": "BonPatron",
    "default_popup": "popup.html"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{157c0ed7-40e0-434d-8f50-9c021ed469bf}"
    }
  }
}