Examine source code of Video camera icon

{
  "manifest_version": 2,
  "name": "Video camera icon",
  "version": "1.0",
  "description": "The camcorder icon is commonly used to represent anything related to recording, video recording, filmmaking, surveillance...",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Click me!"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac2d5d93-93c3-4f91-a2a0-727e38d4f205}"
    }
  }
}