[cros] Fix header bar button appearance on Login screen.

chrome/browser/resources/chromeos/login/header_bar.js

 // 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.
 
 /**
  * @fileoverview Login UI header bar implementation.
  */
 
 cr.define('login', function() {
   // Network state constants.
   const NET_STATE = {
     OFFLINE: 0,
     ONLINE: 1,
     PORTAL: 2
   };
 
   /**
    * Creates a header bar element.
    * @constructor
    * @extends {HTMLDivElement}
    */
   var HeaderBar = cr.ui.define('div');
 
   HeaderBar.prototype = {
     __proto__: HTMLDivElement.prototype,
 
     /** @inheritDoc */
     decorate: function() {
+      // All header bar buttons have custom appearance.

[Nikita (slow), 2011/11/22 12:36:12]

Please add this class in html instead.

[Ivan Korotkov, 2011/11/22 12:43:02]

Done.

+      var buttons = this.getElementsByTagName('button');
+      for (var i = 0, button; button = buttons[i]; ++i) {
+        button.classList.add('custom-appearance');
+      }
       $('shutdown-header-bar-item').addEventListener('click',
           this.handleShutdownClick_);
       $('shutdown-button').addEventListener('click',
           this.handleShutdownClick_);
       $('add-user-button').addEventListener('click', function(e) {
         chrome.send('loginRequestNetworkState',
                     ['login.HeaderBar.handleAddUser',
                      'check']);
       });
       $('cancel-add-user-button').addEventListener('click', function(e) {
@@ skipping 57 matching lines @@
       $('bubble').hideForElement($('add-user-button'));
       chrome.send('loginRemoveNetworkStateObserver',
                   ['login.HeaderBar.bubbleWatchdog']);
     }
   };
 
   return {
     HeaderBar: HeaderBar
   };
 });