manifest.json

{
   "background": {
      "scripts": [ "background.js" ]
   },
   "browser_action": {
      "default_icon": "img/clock.png",
      "default_popup": "popup.html"
   },
   "description": "This simple yet beautiful timer tells you when your time is up. So give it a try you little nerd.",
   "icons": {
      "128": "img/128.png",
      "16": "img/16.png",
      "32": "img/32.png",
      "48": "img/48.png"
   },
   "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFJoUg3Mqbn3MZ7c+DU2N2mnXKz3N7Kb15ARCIXurnGRG3ovB215ZMkSx8BfwivuqsbTcSqnA6A6rLGVXiub1UuigCeoVTt9NpmUj0+qMNfhd3Pm65kA02M6O2Zpp2ipkCPammTbAzHwokK65p0jJHgCXzjFIEMVDK5RVWTYAHEwIDAQAB",
   "manifest_version": 2,
   "minimum_chrome_version": "50",
   "name": "Timer | All-in-one",
   "offline_enabled": true,
   "permissions": [ "notifications", "storage" ],
   "update_url": "https://clients2.google.com/service/update2/crx",
   "version": "2.0.0.0",
   "web_accessible_resources": [ "img/48.png" ]
}