Tomi Performance Monitor

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Tomi Performance Monitor",
  "short_name": "Tomi PerfMon",
  "description": "View the performance of websites you visit without having to keep the dev tools open.",
  "version": "0.1.0",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "performance_monitoring.js",
        "application.js"
      ],
      "css": [
        "main.css"
      ]
    }
  ]
}