[PrintPreview] Custom input focus toggles

chrome/browser/resources/print_preview/settings/page_settings.js

 // 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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Creates a PageSettings object. This object encapsulates all settings and
    * logic related to page selection.
@@ skipping 152 matching lines @@
      */
     onCustomRadioClick_: function() {
       this.customInput_.focus();
     },
 
     /**
      * Called when the custom input is blurred. Enables the all radio button if
      * the custom input is empty.
      * @private
      */
-    onCustomInputBlur_: function() {
-      if (this.customInput_.value == '') {
+    onCustomInputBlur_: function(event) {
+      if (this.customInput_.value == '' &&
+          event.relatedTarget != this.customRadio_) {
         this.allRadio_.checked = true;
       }
     },
 
     /**
      * Called when the custom input is focused.
      * @private
      */
     onCustomInputFocus_: function() {
       this.customRadio_.checked = true;
@@ skipping 67 matching lines @@
         fadeOutOption(this.getElement());
       }
     }
   };
 
   // Export
   return {
     PageSettings: PageSettings
   };
 });