Page Speed

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Page Speed",
  "short_name": "Page Speed",
  "description": "Extension allows user to see loading time based on performance api's getEntries() method",
  "version": "1.0.1",
  "browser_action": {
    "default_icon": "icon/48.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icon/16.png",
    "24": "icon/24.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png",
    "256": "icon/256.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "speed.js"
      ]
    }
  ]
}