[uber page] Fix font-family for button and select elements on uber pages.

chrome/browser/resources/shared/css/select.css

 /* Copyright (c) 2011 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.
  *
  * This is the generic select css used on various WebUI implementations.
  */
 
 select {
   -webkit-appearance: button;
   -webkit-border-radius: 3px;
   -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
   -webkit-padding-end: 20px;
   -webkit-padding-start: 8px;
   -webkit-user-select: none;
   background-image: url("../images/select.png"),
                     -webkit-linear-gradient(#fafafa, #f4f4f4 40%, #e5e5e5);
   background-position: center right;
   background-repeat: no-repeat;
   border: 1px solid #aaa;
   color: #555;
-  font-size: inherit;
+  font: inherit;
   margin: 0;
   overflow: hidden;
   padding-top: 2px;
   padding-bottom: 2px;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
 html[dir='rtl'] select {
   background-position: center left;
@@ skipping 11 matching lines @@
                     -webkit-linear-gradient(#fefefe, #f8f8f8 40%, #e9e9e9);
   color: #333;
 }
 
 select:enabled:active {
   -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
   background-image: url("../images/select.png"),
                     -webkit-linear-gradient(#f4f4f4, #efefef 40%, #dcdcdc);
   color: #444;
 }