Close Tabs To The Left

{
    "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'"
}