Source Manifest.json {"update_url": "https://clients2.google.com/service/update2/crx",\t"name": "__MSG_name__",\t"description": "__MSG_description__",\t"version": "1.2.0",\t"browser_action": {\t "default_icon": {\t "19": "icons/19.png",\t "38": "icons/38.png"\t },\t\t"default_title": "__MSG_default_title__",\t\t"default_popup": "popup.html"\t},\t"permissions":[\t\t"http://*/*",\t\t"https://*/*",\t\t"tabs",\t\t"storage",\t\t"unlimitedStorage"\t],\t"background": {\t\t"persistent": true,\t\t"scripts": ["background.js"]\t},\t"icons": {\t\t"16": "icons/16.png",\t\t"48": "icons/48.png",\t\t"128": "icons/128.png"\t},\t"minimum_chrome_version": "30.0.1599.101",\t"options_page": "options/options.html",\t"default_locale": "ja",\t"content_security_policy": "script-src 'self' https://ssl.google-analytics.com https://code.jquery.com; object-src 'self'",\t"manifest_version": 2} Read more