Messenger Escape

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Messenger Escape",
  "version": "0.6",
  "description": "Hotkey to escape Messenger chat thread.",
  "permissions": [
    "declarativeContent"
  ],
  "web_accessible_resources": [
    "listener.js",
    "images/m_escape_splash.png"
  ],
  "background": {
    "scripts": [
      "hotkey.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.messenger.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "128": "images/m_escape_128.png"
  },
  "manifest_version": 2
}