[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

Index: chrome/browser/resources/media_internals/media_internals.css
diff --git a/chrome/browser/resources/media_internals/media_internals.css b/chrome/browser/resources/media_internals/media_internals.css
index a2387f81e3d54a2814735e72360431c80e2cfe9e..ae9198c45fc8d20cd27bd8a5cc05e1eccb1b6828 100644
--- a/chrome/browser/resources/media_internals/media_internals.css
+++ b/chrome/browser/resources/media_internals/media_internals.css
@@ -1,7 +1,6 @@
-/* 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.
- */
+ * found in the LICENSE file. */
 
 body {
   font-family: sans-serif;
@@ -11,7 +10,9 @@ h2 {
   margin: 15px 0 5px 0;
 }
 
-ul, p, canvas {
+ul,
+p,
+canvas {
   margin: 0;
 }