Close on Back

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Close on Back",
  "short_name": "CoB",
  "description": "This extension will close your active tab when you hit back on the last history page.",
  "version": "0.10",
  "icons": {
    "16": "images/icon16-active.png",
    "48": "images/icon48-active.png",
    "128": "images/icon128-active.png"
  },
  "browser_action": {
    "default_title": "Close on Back",
    "default_icon": {
      "16": "images/icon16-active.png",
      "24": "images/icon24-active.png",
      "32": "images/icon32-active.png",
      "48": "images/icon48-active.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "background",
    "webNavigation",
    "tabs",
    "storage",
    "*://*/*"
  ]
}