Examine source code of Mudflap

{
  "manifest_version": 2,
  "name": "Mudflap",
  "description": "Enregistre le texte de page web",
  "version": "0.1.2",
  "icons": {
    "96": "/icons/icon.svg"
  },
  "background": {
    "scripts": [
      "/js/back.js"
    ]
  },
  "page_action": {
    "browser_style": true,
    "default_icon": "/icons/icon.svg",
    "default_title": "Ajouter à la lecture",
    "pinned": true
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "/icons/icon.svg",
    "default_title": "Télécharge les pages récupérées"
  },
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ]
}