Examine source code of Hide tabs

{
  "name": "Hide tabs",
  "description": "Hide tabs",
  "version": "0.1",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Hide tabs"
  },
  "icons": {
    "16": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  }
}