Chrome Connectivity Diagnostics

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "__MSG_appname__",
    "version": "1.2.1",
    "minimum_chrome_version": "31",
    "offline_enabled": true,
    "default_locale": "en",
    "icons": {
        "16": "img\/icon_16.png",
        "128": "img\/icon_128.png"
    },
    "permissions": [
        {
            "socket": [
                "tcp-connect:*:443",
                "tcp-connect:*:80",
                "tcp-connect:*:25",
                "tcp-connect:*:19302",
                "tcp-connect:*:19303",
                "tcp-connect:*:19304",
                "tcp-connect:*:19305",
                "tcp-connect:*:19306",
                "tcp-connect:*:19307",
                "tcp-connect:*:19308",
                "tcp-connect:*:19309",
                "udp-bind:*",
                "udp-send-to:*:19302",
                "udp-send-to:*:19303",
                "udp-send-to:*:19304",
                "udp-send-to:*:19305",
                "udp-send-to:*:19306",
                "udp-send-to:*:19307",
                "udp-send-to:*:19308",
                "udp-send-to:*:19309"
            ]
        },
        "clipboardWrite",
        "dns",
        "diagnostics",
        "networkingPrivate",
        "metricsPrivate",
        "http:\/\/*.google.com\/*",
        "https:\/\/*.google.com\/*"
    ],
    "app": {
        "background": {
            "scripts": [
                "background.js"
            ]
        }
    }
}