Examine source code of Ignorador Forocoches

{
  "manifest_version": 2,
  "name": "Ignorador Forocoches",
  "version": "1.0.3",
  "description": "Ignora, definitivamente, a los usuarios que desees.",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "24": "images/icon24.png",
      "32": "images/icon32.png"
    },
    "default_title": "Ignorador Forocoches",
    "default_popup": "html/menu.html"
  },
  "background": {
    "page": "html/ignorer-wrapper.html"
  },
  "permissions": [
    "storage",
    "webNavigation",
    "*://*.forocoches.com/*"
  ],
  "web_accessible_resources": [
    "js/ignorer.js",
    "js/storage.js"
  ]
}