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chromium/chrome/browser/resources/chromeos/cryptohome.html 

<!doctype html>
<html lang="en">
  <head>
    <title>About Cryptohome</title>
    <meta charset="utf-8">
    <link rel="stylesheet" href="chrome://resources/css/text_defaults.css">
    <script src="chrome://resources/js/util_deprecated.js"></script>
    <script src="chrome://cryptohome/cryptohome.js"></script>
  </head>
  <body>
    <div id="refresh-message">
      (To auto-refresh this page: about:cryptohome/&lt;secs&gt;)
    </div>
    <h3>Cryptohome:</h3>
    <table>
      <tr>
        <td>IsMounted</td>
        <td id="is-mounted"></td>
      </tr>
      <tr>
        <td>TpmIsReady</td>
        <td id="tpm-is-ready"></td>
      </tr>
      <tr>
        <td>TpmIsEnabled</td>
        <td id="tpm-is-enabled"></td>
      </tr>
      <tr>
        <td>TpmIsOwned</td>
        <td id="tpm-is-owned"></td>
      </tr>
      <tr>
        <td>Pkcs11IsTpmTokenReady</td>
        <td id="pkcs11-is-tpm-token-ready"></td>
      </tr>
      <tr>
        <td>HasResetLockPermissions</td>
        <td id="has-reset-lock-permissions"></td>
      </tr>
    </table>
    <h3>crypto:</h3>
    <table>
      <tr>
        <td>IsTPMTokenReady</td>
        <td id="is-tpm-token-ready"></td>
      </tr>
    </table>
    <h3>Cryptohome recovery:</h3>
    <table width=200>
      <tr>
        <td>Latest RecoveryIds</td>
        <td id="recovery_ids"></td>
      </tr>
    </table>
  </body>
</html>