Cleanup: Don't close single tags.

chrome/browser/resources/net_internals/import_view.html

 <style>
 #import-view-command-line,
 #import-view-user-comments {
   /* Wrap long lines inside of PREs */
   white-space: pre-wrap;
 }
 
 #import-view-load-status-text {
   /* Wrap long lines inside of PREs */
   white-space: pre-wrap;
@@ skipping 43 matching lines @@
       <td><pre id=import-view-command-line></pre></td>
     </tr>
     <tr>
       <th>User comments</th>
       <td><pre id=import-view-user-comments></pre></td>
     </tr>
     </table>
   </div>
   <div>
     <h2>Load data</h2>
-    <p><input type=file value="Load log from file" id=import-view-load-log-file /></p>
+    <p><input type=file value="Load log from file" id=import-view-load-log-file></p>
     <ul>
       <li><b>TIP</b>: Try drag-and-drop into this window!</li>
     </ul>
     <pre id=import-view-load-status-text></pre>
   </div>
 </div>