Twitch Live Channels

manifest.json

{
  "name": "Twitch Live Channels",
  "version": "1.0.22",
  "default_locale": "en",
  "description": "Twitch Live Channels helps you keep track of who is LIVE out of the channels you follow on Twitch (https://www.twitch.tv/).",
  "content_security_policy": "default-src 'self' https://id.twitch.tv/ https://api.twitch.tv https://static-cdn.jtvnw.net; script-src 'self'; img-src 'self' data: blob: https:; object-src 'self'; frame-ancestors 'none'; style-src 'unsafe-inline';",
  "manifest_version": 2,
  "browser_action": {
    "default_title": "Twitch Live Channels",
    "default_icon": "icons/icon.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3d2a327-1ae0-4fd6-b732-0844d0b7fd4c}"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "notifications",
    "identity",
    "https://*.twitch.tv/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "*://*.player.twitch.tv/?*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  }
}