Toggle Fullscreen in Hangout

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Toggle Fullscreen in Hangout",
  "author": "Daniel Unterberger",
  "short_name": "fullscreen_hangout",
  "description": "Enable to resize the Video of the Call to Fullscreen and Back ",
  "version": "1.4",
  "manifest_version": 3,
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "https://plus.google.com/*"
      ],
      "css": [
        "hangout.css"
      ],
      "js": [
        "jquery.js",
        "hangout.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "hangout.css"
      ],
      "matches": [
        "https://plus.google.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icon128.png",
    "48": "icon128.png",
    "128": "icon128.png"
  }
}