Lock it

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "content_scripts": [
        {
            "js": [
                "content.js"
            ],
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*"
            ]
        }
    ],
    "description": "Extension allows you to lock tabs based on address. If you lock a website you'll be asked for prompt on close.",
    "icons": {
        "256": "icon_256.png",
        "128": "icon_128.png",
        "16": "icon_16.png",
        "48": "icon_48.png"
    },
    "manifest_version": 2,
    "name": "Lock it",
    "page_action": {
        "default_icon": "unlocked_19.png",
        "default_title": "Unlocked"
    },
    "permissions": [
        "storage",
        "tabs",
        "management",
        "http:\/\/*\/*",
        "https:\/\/*\/*"
    ],
    "options_page": "options.html",
    "version": "0.3"
}