Examine source code of Nicey

{
  "background": {
    "scripts": [
      "js/bg.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "38": "images/rb48.png"
    },
    "default_title": "Open Nicey"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "description": "Ohh ... Nicey",
  "icons": {
    "16": "images/rb16.png",
    "48": "images/rb48.png",
    "128": "images/rb.png"
  },
  "manifest_version": 2,
  "name": "Nicey",
  "permissions": [
    "storage",
    "tabs"
  ],
  "version": "1.0.2resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e26bbe2-e1f3-443a-869c-590553d6fd55}"
    }
  }
}