ResponseTime Monitor

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "ResponseTime Monitor",
  "short_name": "ResponseTime",
  "manifest_version": 2,
  "version": "2.0",
  "description": "Shows the response times of up to three webservers. Useful to see how the internet/server connection performs.",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "browser_action": {
    "default_icon": "img/loading.png",
    "default_title": "Please wait ...",
    "default_popup": "popup.html"
  },
  "permissions": [
    "https://www.google.com/images/*",
    "notifications"
  ],
  "optional_permissions": [
    "<all_urls>"
  ],
  "options_page": "options.html",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}