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

chrome/browser/resources/tracing/profiling_view.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. */
+
 #profiling-view {
+  -webkit-box-flex: 1;
+  -webkit-box-orient: vertical;
   display: -webkit-box;
   padding: 0;
-  -webkit-box-orient: vertical;
-  -webkit-box-flex: 1;
 }
 
 #profiling-view > .control {
+  border-bottom: 1px solid #555;
   display: -webkit-box;
-  border-bottom: 1px solid #555;
 }
 
 #profiling-view > .control > span {
   padding-left: 5px;
   padding-right: 10px;
 }
 
 #profiling-view > .control > button {
   font-size: 75%;
   height: 20px;
   min-height: 10px;
 }
 
 #profiling-view > .container {
+  -webkit-box-flex: 1;
   display: -webkit-box;
-  -webkit-box-flex: 1;
 }
 
 .profiling-overlay {
+  -webkit-box-orient: vertical;
   display: -webkit-box;
-  -webkit-box-orient: vertical;
   text-align: center;
 }
 
 .profiling-overlay .raw-text {
+  -webkit-box-flex: 1;
   overflow: auto;
-  -webkit-box-flex: 1;
   wrap: none;
 }
 
 .profiling-overlay .error {
   border: 1px solid red;
   text-align: center;
 }