Examine source code of Search with Wikipedia™

{
  "version": "0.1.1resigned1",
  "manifest_version": 2,
  "short_name": "swwikipedia",
  "name": "Search with Wikipedia™",
  "background": {
    "page": "lib/chrome/background.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>",
    "contextMenus"
  ],
  "homepage_url": "http://mybrowseraddon.com/search-with-wikipedia.html",
  "description": "Select and search in Wikipedia with mouse right-click.",
  "options_ui": {
    "chrome_style": true,
    "page": "data/options/options.html"
  },
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ebf47fc8-01d8-4dba-aa04-2118402f4b20}"
    }
  }
}