user/src/com/google/gwt/requestfactory/client/LoginWidget.ui.xml

<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
  xmlns:g='urn:import:com.google.gwt.user.client.ui'>

  <g:HTMLPanel>
    <div>
      <span ui:field="name">Not logged in</span> |
      <g:InlineLabel ui:field="logoutLink">Sign out</g:InlineLabel>
    </div>
  </g:HTMLPanel>
</ui:UiBinder>