Examine source code of Quick Google Search

{
  "manifest_version": 2,
  "name": "Quick Google Search",
  "version": "1.0.0",
  "description": "A Firefox add-on for quick Google searches from a pop-up with local search history.",
  "icons": {
    "32": "googlesearch-icon.png"
  },
  "browser_action": {
    "default_popup": "googlesearch-ui.html",
    "default_title": "Quick Google Search"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe7e33ee-3156-444f-8850-a94500ee8927}"
    }
  }
}