chrome/common/extensions/docs/templates/private/header_body.html

<div id="gc-topnav">
  <table><tr>
  <td id="chrome-logo">
    <a href="/{{platform}}s/" title="Google Chrome {{title}}">
      <img src="{{static}}/images/chrome-logo.png" alt=""> chrome
    </a>
    <div id="platform-chooser">
      <button id="platform-chooser-toggle" data-menu="platform-chooser-popup">
        {{platform}}s &#x25be;&#x202F;
      </button>
      <div id="platform-chooser-popup">
        <button class="apps" data-href="/apps/about_apps.html">apps</button>
        <button class="extensions" data-href="/extensions">extensions</button>
      </div>
    </div>
  </td>
  <td>
    <ul>
      <li>
        <a href="/{{platform}}s/samples.html"
           title="Sample {{title}} (with source code)">Samples</a>
      </li>
      <li>
        <a href="http://groups.google.com/a/chromium.org/group/chromium-{{platform}}s"
           title="Google Chrome {{title}} developer forum"
           target="_blank">Group</a>
      </li>
      <li>
        <a href="http://stackoverflow.com/tags/google-chrome-{{platform}}/info"
           title="[google-chrome-{{platform}}] tag on Stack Overflow"
           target="_blank">Stack overflow</a>
      </li>
    </ul>
  </td>
  </tr></table>
</div>
<div id="gc-topnav-space"></div>