tabbro/manifest.json

{
    "manifest_version": 2,
    "content_security_policy": "script-src 'self'; object-src 'self' https://fonts.googleapis.com/;",
    "name": "TAB BRO",
    "description": "I'm your bro and I'll manage your tabs",
    "version": "1.0",
    "browser_action": {
        "default_icon": "icon.png",
        "default_popup": "popup.html"
    },
    "background": {
        "scripts": [ "background.js" ]
    },
    "permissions": [
        "tabs",
        "storage",
        "unlimitedStorage",
        "activeTab",
        "notifications", "idle", "chrome://favicon/"
    ],
    "options_page": "options.html"
}