WhatsApp Notification Changer

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "WhatsApp Notification Changer",
    "version": "1.0",
    "description": "A simple extension that allows the user to change the notification sound of web.whatsapp.com.",
    "permissions": [
        "unlimitedStorage",
        "declarativeContent",
        "storage",
        "webRequest",
        "webRequestBlocking",
        "*:\/\/web.whatsapp.com\/*"
    ],
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "page_action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "images\/icon_16.png",
            "32": "images\/icon_32.png",
            "48": "images\/icon_48.png",
            "128": "images\/icon_128.png"
        }
    },
    "content_scripts": [
        {
            "js": [
                "content-script.js"
            ],
            "matches": [
                "*:\/\/web.whatsapp.com\/*"
            ]
        }
    ],
    "web_accessible_resources": [
        "modifier.js"
    ],
    "icons": {
        "16": "images\/icon_16.png",
        "32": "images\/icon_32.png",
        "48": "images\/icon_48.png",
        "128": "images\/icon_128.png"
    },
    "manifest_version": 2
}