Print Preview: Changing the structure of the html/css.

chrome/browser/resources/print_preview/margin_settings.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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Creates a Margins object that holds four margin values. The units in which
    * the values are expressed can be any numeric value.
@@ skipping 597 matching lines @@
         this.lastSelectedOption_ = MarginSettings.MARGINS_VALUE_DEFAULT;
       }
     },
 
     /**
      * Executes when a |customEvents.PDF_LOADED| event occurs.
      * @private
      */
     onPDFLoaded_: function() {
       if (!previewModifiable)
-        fadeOutElement(this.marginsOption_);
+        fadeOutOption(this.marginsOption_);
     }
   };
 
   return {
     MarginSettings: MarginSettings,
     PageLayout: PageLayout,
     setNumberFormatAndMeasurementSystem:
         MarginSettings.setNumberFormatAndMeasurementSystem,
   };
 });