Heroku Dyno Hacker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Heroku Dyno Hacker",
  "version": "1.3",
  "manifest_version": 2,
  "description": "Keep your Heroku websites active as long as your browser is running.",
  "icons": {
    "16": "images/dynohacker-logo-16.png",
    "48": "images/dynohacker-logo-48.png",
    "128": "images/dynohacker-logo-128.png"
  },
  "browser_action": {
    "default_icon": "images/full-capsule-19.png",
    "default_popup": "popup.html",
    "default_title": "Security Popup"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}