Cleanup: fix some CSS comment styles (especially copyrights)

chrome/browser/resources/chromeos/login/oobe_screen_user_image.css

 /* Copyright 2013 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.
- */
+ * found in the LICENSE file. */
 
 #user-image {
   min-height: 443px;
   padding: 70px 17px 21px;
   width: 702px;
 }
 
 #user-image.loading {
   height: 528px; /* Should be the same as #gaia-signin height. */
   padding: 0 0 0;
@@ skipping 33 matching lines @@
   display: inline-block;
   margin: 4px;
   padding: 3px;
 }
 
 #user-image-grid [selected] {
   border: 2px solid rgb(0, 102, 204);
   padding: 2px;
 }
 
-/**
- * #user-image-preview can have the following classes:
+/* #user-image-preview can have the following classes:
  * .default-image: one of the default images is selected (including the grey
  *                 silhouette);
  * .profile-image: profile image is selected;
  * .profile-image-loading: profile image is being loaded;
  * .online: camera is streaming video;
  * .camera: camera (live or photo) is selected;
- * .live: camera is in live mode (no photo taken yet/last photo removed).
- */
+ * .live: camera is in live mode (no photo taken yet/last photo removed). */
 #user-image-preview {
   float: right;
   margin: 4px;
   max-width: 220px;
   position: relative;
 }
 
 #profile-image {
   position: relative;
 }
@@ skipping 175 matching lines @@
   margin-top: -22px;
   position: absolute;
   top: 50%;
   width: 44px;
 }
 
 .camera.live:not(.online) .user-image-stream-area .spinner {
   display: block;
 }