Cleanup: fix some CSS comment styles (especially copyrights)

chrome/browser/resources/ntp4/nav_dot.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. */
 
 /* TODO(estade): handle overflow better? I tried overflow-x: hidden and
-   overflow-y: visible (for the new dot animation), but this makes a scroll
-   bar appear */
+ * overflow-y: visible (for the new dot animation), but this makes a scroll
+ * bar appear */
 #dot-list {
   /* Expand to take up all available horizontal space.  */
   -webkit-box-flex: 1;
   /* Center child dots. */
   -webkit-box-pack: center;
   display: -webkit-flex;
   height: 100%;
   list-style-type: none;
   margin: 0;
   padding: 0;
@@ skipping 47 matching lines @@
   margin-top: 2px;
   padding: 1px 0;
   width: 90%;
 }
 
 .dot input:focus {
   cursor: auto;
 }
 
 /* Everything below here should be themed but we don't have appropriate colors
- * yet.
- */
+ * yet. */
 .dot input {
   color: #b2b2b2;
 }
 
 .dot:focus input,
 .dot:hover input,
 .dot.selected input {
   color: #7f7f7f;
 }
 
 .dot:focus .selection-bar,
 .dot:hover .selection-bar,
 .dot.drag-target .selection-bar {
   border-color: #b2b2b2;
 }
 
 .dot.selected .selection-bar {
   border-color: #7f7f7f;
 }