Cleanup some classnames to match style.

chrome/browser/resources/net_internals/status_view.html

 <!--
 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.
 -->
 
 <!-- Status bar at top of screen when in capture mode. -->
 <div id=capture-status-view>
   <table width=100%><tr>
     <td>
       Capturing network events
       (<span id=capture-status-view-captured-events-count
              title='Number of events captured to this window'></span>)
       <button id=capture-status-view-stop>Stop</button>
       <button id=capture-status-view-reset>Reset</button>
     </td>
     <td align=right>
       <img id=capture-status-view-toggle-extras
            class=capture-status-view-rotateleft
            src='chrome://resources/images/select.png' />
       <span id=capture-status-view-extras style="display:none">
-        <button id=capture-status-view-clear-cache class=warningText>
+        <button id=capture-status-view-clear-cache class=warning-text>
           Clear cache</button>
-        <button id=capture-status-view-flush-sockets class=warningText>
+        <button id=capture-status-view-flush-sockets class=warning-text>
           Flush sockets</button>
       </span>
     </td>
   </tr></table>
 </div>
 
 <!-- Status bar at top of screen when capturing is stopped -->
 <div id=halted-status-view>
   <!-- The use of a table here is to get things to center vertically.
        We need this since the CSS adds padding to our DIV to make the
@@ skipping 11 matching lines @@
        We need this since the CSS adds padding to our DIV to make the
        various status bars have similar heights.  -->
   <table height=100%>
     <tr valign=middle>
       <td>
         Displaying log file (<span id=loaded-status-view-dump-file-name></span>)
       </td>
     </tr>
   </table>
 </div>