Close Tabs To The Left

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Close Tabs To The Left",
  "short_name": "CTTTL",
  "description": "This extension allows the user to close chrome tabs to the left, with one press of the button",
  "version": "1.2",
  "browser_action": {
    "default_icon": "resources/icon.png"
  },
  "icons": {
    "16": "resources/icon16.png",
    "48": "resources/icon48.png",
    "128": "resources/icon128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}