Examine source code of Tablet UI for Firefox

{
  "name": "Tab bar",
  "version": "2.5",
  "manifest_version": 2,
  "web_accessible_resources": [
    "tab bar v6.html",
    "openNewTab6.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background2.js"
    ]
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "webNavigation",
    "storage"
  ],
  "options_ui": {
    "page": "Tablet UI for Firefox settings.html",
    "browser_style": false
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "Tablet UI for Firefox Settings",
    "default_popup": "Tablet UI for Firefox settings.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fc3ad393-7578-47a1-97d1-718ec82690cb}"
    }
  }
}