Examine source code of Screen Recorder V2

{
  "manifest_version": 2,
  "name": "Screen Recorder V2",
  "version": "1.2",
  "description": "Record your screen and save it as a video file.",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_title": "Screen Recorder",
    "default_popup": "popup.html"
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{921eeb38-771a-4aa8-b744-06b4516824ee}"
    }
  }
}