Cleanup: fix some CSS comment styles (especially copyrights)

chrome/browser/resources/chromeos/wallpaper_manager/css/wallpaper_manager.css

 /* Copyright (c) 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. */
 
 html {
   height: 100%;
 }
 
 body {
   -webkit-app-region: drag;
   background-color: rgba(20, 20, 20, 0.93);
   color: #999;
   font-size: 80%;
   height: 100%;
   margin: 0;
   padding: 0;
 }
 
 /* Click events are not received in draggable area. Making all clickable areas
  * not draggable to receive click events.
- * TODO(bshe): Remove this when http://crbug.com/142275 fixed.
- */
+ * TODO(bshe): Remove this when http://crbug.com/142275 fixed. */
 .dialog-topbar #navstrip,
 .dialog-topbar #window-close-button,
 .overlay-container .page,
 #author-website,
 /* TODO(bshe): Once http://crbug.com/369651 fixed, use .image-picker instead of
- * #category-container.
- */
+ * #category-container. */
 #category-container,
 #surprise-me {
   -webkit-app-region: no-drag;
 }
 
 .dialog-container {
   display: flex;
   flex-direction: column;
   height: 100%;
   overflow: hidden;
@@ skipping 109 matching lines @@
 #wallpaper-set-by-message:empty {
   display: none;
 }
 
 .image-picker {
   -webkit-padding-end: 5px;
   -webkit-padding-start: 15px;
   display: block;
   /* Set font size to 0 to remove the extra vertical margin between two rows of
    * thumbnails.
-   * TODO(bshe): Find the root cause of the margin.
-   */
+   * TODO(bshe): Find the root cause of the margin. */
   font-size: 0;
   height: 287px;
   outline: none;
   overflow-y: auto;
   padding-bottom: 15px;
   padding-top: 5px;
 }
 
 .image-picker .spacer {
   display: block;
@@ skipping 41 matching lines @@
   background: #aaa;
 }
 
 ::-webkit-scrollbar-thumb:hover {
   background: #888;
 }
 
 /* The width and height of img tag need to be set here. Otherwise, an incorrect
  * image size may be used during layout. Some images may be misaligned as a
  * result. See http://code.google.com/p/chromium/issues/detail?id=148480 for
- * screen shot.
- */
+ * screen shot. */
 .image-picker img {
   height: 68px;
   width: 108px;
 }
 
 .image-picker[disabled]~.bottom-bar #online-wallpaper-attribute,
 .image-picker[disabled] .check {
   visibility: hidden;
 }
 
@@ skipping 138 matching lines @@
   margin-right: 4px;
   opacity: 0.7;
   position: relative;
   top: 4px;
   width: 17px;
 }
 
 #surprise-me #checkbox.checked {
   background-image: url(../images/ui/checkbox_checked.png);
 }