Joomunited cache checker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Joomunited cache checker",
  "description": "Check whether or not a page is served by one of the Joomunited's cache extension",
  "version": "1.1.4",
  "browser_action": {
    "default_icon": "rocket.png",
    "default_popup": "more.html",
    "default_title": "Show more"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "timer.js"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "tabs",
    "http://*/*",
    "https://*/*",
    "storage"
  ]
}