[uber] fix up header

chrome/browser/resources/shared/css/chrome_shared2.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. */
 
 /* This file holds CSS that should be shared, in theory, by all user-visible
  * chrome:// pages. This contrasts chrome_shared.css, which it is meant to
  * replace, but has CSS specific to options and options-like pages. */
 
 @import url("chrome://resources/css/button.css");
 @import url("chrome://resources/css/checkbox.css");
@@ skipping 96 matching lines @@
  */
 html[touch-optimized] input[type='search'] {
   font-size: 13px;
   padding: 5px;
 }
 
 html[touch-optimized] input[type='search']::-webkit-search-cancel-button {
   -webkit-transform: scale(1.5);
 }
 
-header > .search-field-container,
-header > button {
-  position: absolute;
-  right: 100px;
-  top: 21px;
-}
-
-html[dir='rtl'] header > .search-field-container,
-html[dir='rtl'] header > button {
-  left: 100px;
-  right: auto;
-}
-
-header input,
-header button {
-  margin: 0;
-}
-
 /* Elements that need to be LTR even in an RTL context, but should align
  * right. (Namely, URLs, search engine names, etc.)
  */
 html[dir='rtl'] .weakrtl {
   direction: ltr;
   text-align: right;
 }
 
 /* Input fields in search engine table need to be weak-rtl. Since those input
  * fields are generated for all cr.ListItem elements (and we only want weakrtl
@@ skipping 34 matching lines @@
  * For now it's a bandaid until we install open sans properly. */
 <if expr="is_posix and not is_macosx and not pp_ifdef('chromeos')">
 @font-face {
   font-family: 'Open Sans';
   font-style: normal;
   font-weight: 400;
   src: local('Open Sans'), local('OpenSans'),
       url('chrome://resources/fonts/open_sans.woff') format('woff');
 }
 </if>