Newly created profiles should have the grey silhouette as avatar.

chrome/browser/resources/options/manage_profile_overlay.css

 /* 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. */
 
 #manage-profile-overlay {
   width: 612px;
 }
 
 .profile-icon-grid-item {
-  height: 31px;
+  height: 38px;
   margin: 2px 4px;
   padding: 4px;
   width: 38px;
 }
 
 .profile-icon {
-  height: 31px;
+  height: 38px;
   width: 38px;
 }
 
 #create-profile-name-input-container,
 #manage-profile-name-input-container {
   margin-top: 5px;
 }
 
 #create-profile-name-input-container {
   margin-bottom: 5px;
@@ skipping 112 matching lines @@
 
 #import-existing-managed-user-link {
   left: 17px;
   position: absolute;
 }
 
 #supervised-user-import {
   margin: 0;
   padding: 0;
 }