<form action="//google.com/search" id="google-search" class="inline-form">
  <input
    type="text"
    name="q"
    aria-label={{i18n "search.search_google"}}
    value={{this.searchTerm}}
  />
  <input name="as_sitesearch" value={{this.siteUrl}} type="hidden" />
  <button class="btn btn-primary" type="submit">{{i18n
      "search.search_google_button"
    }}</button>
</form>