Tabalot

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Tabalot",
  "version": "2.0.0",
  "description": "Limit the maximum number of open tabs",
  "permissions": [
    "tabs"
  ],
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "19": "icon-19.png",
      "38": "icon-38.png"
    },
    "default_title": "Tabalot",
    "default_popup": "options.html"
  }
}