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

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

Index: chrome/browser/resources/chromeos/login/header_bar.js
diff --git a/chrome/browser/resources/chromeos/login/header_bar.js b/chrome/browser/resources/chromeos/login/header_bar.js
index 8ed93109f7b3caf8865833526ded8c5d878ef205..37af5eb3d4a973296d298833f75b7c6cdcf54ff6 100644
--- a/chrome/browser/resources/chromeos/login/header_bar.js
+++ b/chrome/browser/resources/chromeos/login/header_bar.js
@@ -26,6 +26,11 @@ cr.define('login', function() {
 
     /** @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',