Examine source code of Cobalt - New Tab

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "0.11.1",
  "icons": {
    "128": "128.png"
  },
  "author": "github.com/joelacus",
  "default_locale": "en",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  },
  "permissions": [
    "storage",
    "http://suggestqueries.google.com/complete/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{837a2ae7-10e9-47ed-a760-6e492e77a057}"
    }
  }
}