Examine source code of Optimum Launcher

{
  "manifest_version": 2,
  "name": "Optimum Launcher",
  "description": "Quick launch Optimum Media",
  "version": "1.0.1resigned1",
  "icons": {
    "128": "icon_128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d7df26f1-fa0b-45a7-94d9-1411160252cd}"
    }
  }
}