Extreme Productivity Booster XL Pro

Greatly improves productivity and the quality of life in general by not allowing you to close tabs.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Extreme Productivity Booster XL Pro",
  "version": "9.99.0",
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "author": "Hristiyan Dodov",
  "description": "Greatly improves productivity and the quality of life in general by not allowing you to close tabs.",
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/16.png"
  },
  "background": {
    "scripts": [
      "script.js"
    ]
  }
}