Source Manifest.json {"update_url": "https://clients2.google.com/service/update2/crx", "version": "0.3.0", "name": "__MSG_application_title__", "description": "__MSG_application_description__", "default_locale": "en", "manifest_version": 2, "offline_enabled": true, "icons": { "16": "icon_16.png", "128": "icon_128.png" }, "app": { "background": { "scripts": ["main.js"] } }} Read more