Examine source code of SmartHint

{
  "manifest_version": 2,
  "name": "SmartHint",
  "author": "SmartHint",
  "version": "1.0.0.1",
  "short_name": "SmartHint",
  "description": "Verifica se o script da SmartHint está instalado",
  "icons": {
    "32": "images/SmartHint-logo.png",
    "128": "images/SmartHint-128.png"
  },
  "browser_action": {
    "default_title": "SmartHint Checker DEV",
    "default_icon": "images/SmartHint-logo.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "scripting"
  ]
}