Examine source code of Smart Web Navigator

{
  "manifest_version": 2,
  "name": "Smart Web Navigator",
  "description": "Quickly navigate between categorized sites and smart suggestions.",
  "version": "1.3",
  "permissions": [
    "storage",
    "tabs"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logo_128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b772e1d6-d485-4dc0-9bbd-fa344b9db145}"
    }
  }
}