1-click quality for Twitch

manifest.json

{
  "description": "Adds buttons to change qualities with one click.",
  "manifest_version": 2,
  "name": "1-click quality for Twitch",
  "version": "1.2",
  "icons": {
    "48": "icons/quality-48.png",
    "96": "icons/quality-96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://*.twitch.tv/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "resource.js"
  ],
  "browser_action": {
    "default_title": "1-click quality",
    "default_icon": "icons/quality-32.png",
    "default_popup": "popup/config.html",
    "default_area": "navbar"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4d3bf9d4-7329-4116-87d5-8228bcf4d81a}"
    }
  }
}