Don't pointerify [☺] User Name nor user@name.com In the top, right corner of chrome://apps.

chrome/browser/resources/ntp4/new_tab.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview New tab page
  * This is the main code for the new tab page used by touch-enabled Chrome
  * browsers.  For now this is still a prototype.
  */
 
@@ skipping 523 matching lines @@
    * @param {string} loginHeader The first line of text.
    * @param {string} loginSubHeader The second line of text.
    * @param {string} iconURL The url for the login status icon. If this is null
         then the login status icon is hidden.
    * @param {boolean} isUserSignedIn Indicates if the user is signed in or not.
    */
   function updateLogin(loginHeader, loginSubHeader, iconURL, isUserSignedIn) {
     /** @const */ var showLogin = loginHeader || loginSubHeader;
 
     $('login-container').hidden = !showLogin;
+    $('login-container').classList.toggle('signed-in', isUserSignedIn);
     $('card-slider-frame').classList.toggle('showing-login-area', !!showLogin);
 
     if (showLogin) {
       // TODO(dbeam): we should use .textContent instead to mitigate XSS.
       $('login-status-header').innerHTML = loginHeader;
       $('login-status-sub-header').innerHTML = loginSubHeader;
 
       var headerContainer = $('login-status-header-container');
       headerContainer.classList.toggle('login-status-icon', !!iconURL);
       headerContainer.style.backgroundImage = iconURL ? url(iconURL) : 'none';
@@ skipping 160 matching lines @@
     setFaviconDominantColor: setFaviconDominantColor,
     showNotification: showNotification,
     themeChanged: themeChanged,
     updateLogin: updateLogin
   };
 });
 
 document.addEventListener('DOMContentLoaded', ntp.onLoad);
 
 var toCssPx = cr.ui.toCssPx;