Too Many Tabs

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Too Many Tabs",
    "description": "Warns you when you have too many tabs open.",
    "version": "1.0.1",
    "options_page": "options.html",
    "background": {
        "scripts": [
            "tabevent.js"
        ],
        "persistent": false
    },
    "browser_action": {
        "default_icon": "icon.png",
        "default_popup": "popup.html"
    },
    "permissions": [
        "activeTab",
        "tabs",
        "storage",
        "https:\/\/ajax.googleapis.com\/"
    ]
}