Gmail POP Sync

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Gmail POP Sync",
    "short_name": "Gmail Fetcher",
    "version": "3.0.1.5",
    "description": "Fetch and synchronize your external POP accounts at the frequency you select.",
    "icons": {
        "16": "img\/icon16.png",
        "32": "img\/icon32.png",
        "48": "img\/icon48.png",
        "128": "img\/icon128.png"
    },
    "action": {
        "default_icon": "img\/icon16.png",
        "default_popup": "popup.html",
        "default_title": "Gmail POP Sync"
    },
    "content_scripts": [
        {
            "js": [
                "js\/jquery-2.1.4.min.js",
                "js\/content.min.js"
            ],
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "css": [
                "css\/jquery.gritter.css",
                "css\/font-awesome.min.css"
            ],
            "run_at": "document_idle"
        }
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "img\/*.png",
                "js\/gmail.min.js",
                "fonts\/*",
                "css\/*"
            ],
            "matches": [
                "https:\/\/mail.google.com\/*"
            ]
        }
    ],
    "background": {
        "service_worker": "js\/background.min.js"
    },
    "permissions": [
        "storage"
    ],
    "host_permissions": [
        "https:\/\/mail.google.com\/*",
        "https:\/\/geotrack.email\/*",
        "https:\/\/beta.geotrack.email\/*"
    ]
}