Examine source code of BWNT - New Tab

{
  "manifest_version": 2,
  "name": "__MSG_extension_name__",
  "version": "2.1.3",
  "short_name": "BWNT",
  "description": "__MSG_extension_description__",
  "icons": {
    "128": "res/icon.png"
  },
  "default_locale": "en",
  "minimum_chrome_version": "36.0",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "options_page": "options.html",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage"
  ]
}