manifest.json

{
  "description": "Hide the title bar, for GNOME.",
  "manifest_version": 2,
  "name": "Hide Title Bar",
  "version": "1.2",
  "icons": {
    "48": "icons/pc.svg",
    "96": "icons/pc.svg"
  },

  "applications": {
    "gecko": {
      "id": "hidetitlebar@gkfx.github.com"
    }
  },

  "background": {
    "scripts": ["background.js"]
  },

  "options_ui": {
    "browser_style": true,
    "page": "options/options.html"
  },

  "permissions": [
    "nativeMessaging", "storage"
  ]
}