Twitch Multi Stream Auto-Mute

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Twitch Multi Stream Auto-Mute",
  "version": "1.1.1",
  "description": "Automatically mutes Twitch streams you have open but are not watching. Very handy when following several streams at once.",
  "icons": {
    "128": "icon/128.png"
  },
  "background": {
    "scripts": [
      "background-script.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.twitch.tv/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "tabs"
  ]
}