Cleanup: fix some CSS comment styles (especially copyrights)

ui/webui/resources/css/chrome_shared.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. */
 
 /* This file holds CSS that should be shared, in theory, by all user-visible
  * chrome:// pages. */
 
 @import url(chrome://resources/css/text_defaults.css);
 @import url(i18n_process.css);
 @import url(widgets.css);
@@ skipping 51 matching lines @@
 a {
   color: rgb(17, 85, 204);
   text-decoration: underline;
 }
 
 a:active {
   color: rgb(5, 37, 119);
 }
 
 /* Elements that need to be LTR even in an RTL context, but should align
- * right. (Namely, URLs, search engine names, etc.)
- */
+ * right. (Namely, URLs, search engine names, etc.) */
 html[dir='rtl'] .weakrtl {
   direction: ltr;
   text-align: right;
 }
 
 /* Input fields in search engine table need to be weak-rtl. Since those input
  * fields are generated for all cr.ListItem elements (and we only want weakrtl
- * on some), the class needs to be on the enclosing div.
- */
+ * on some), the class needs to be on the enclosing div. */
 html[dir='rtl'] div.weakrtl input {
   direction: ltr;
   text-align: right;
 }
 
 html[dir='rtl'] .favicon-cell.weakrtl {
   -webkit-padding-end: 22px;
   -webkit-padding-start: 0;
 }
 
 /* weakrtl for selection drop downs needs to account for the fact that
  * Webkit does not honor the text-align attribute for the select element.
- * (See Webkit bug #40216)
- */
+ * (See Webkit bug #40216) */
 html[dir='rtl'] select.weakrtl {
   direction: rtl;
 }
 
 html[dir='rtl'] select.weakrtl option {
   direction: ltr;
 }
 
 /* WebKit does not honor alignment for text specified via placeholder attribute.
  * This CSS is a workaround. Please remove once WebKit bug is fixed.
- * https://bugs.webkit.org/show_bug.cgi?id=63367
- */
+ * https://bugs.webkit.org/show_bug.cgi?id=63367 */
 html[dir='rtl'] input.weakrtl::-webkit-input-placeholder,
 html[dir='rtl'] .weakrtl input::-webkit-input-placeholder {
   direction: rtl;
 }