Examine source code of Pronunciation Guide Basic

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  "name": "Pronunciation Guide Basic",
  "version": "1.0",
  "description": "Pronunciation Guide is extension Provides pronunciation guides for new words.",
  "permissions": [],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "images/pronun-logo.png"
    }
  },
  "icons": {
    "128": "images/pronun-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1f919c6b-e0b0-4505-baec-e6c64ffc2d45}"
    }
  }
}