[WebUI] Fix rest of CSS style nits in misc. dirs so I can turn on CSS checker.

chrome/browser/resources/media_internals/media_internals.css

-/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
+/* 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.
  */
 
 body {
   font-family: sans-serif;
 }
 
 h2 {
   margin: 15px 0 5px 0;
 }
 
-ul, p, canvas {
+ul,
+p,
+canvas {
   margin: 0;
 }
 
 #media-players td,
 #media-players th {
   padding: 0 10px;
 }
 
 .audio-stream[status='created'] {
   color: blue;
@@ skipping 43 matching lines @@
 
 .buffered > div > div {
   display: table-cell;
   vertical-align: bottom;
 }
 
 .buffered > div > div:first-child {
   font-weight: bold;
   padding-right: 2px;
 }