Calculator

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Calculator",
    "version": "0.4",
    "browser_action": {
        "default_icon": "calc.png",
        "default_popup": "popup.html"
    },
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "js\/jquery.js",
                "js\/index.js",
                "js\/evel.js"
            ]
        }
    ]
}