Print Preview: Refactoring layout mode related logic to LayoutSettings class.

chrome/browser/resources/print_preview/page_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 PageSettings object. This object encapsulates all settings and
    * logic related to page selection.
@@ skipping 122 matching lines @@
     invalidatePreviouslySelectedPages_: function() {
       this.previouslySelectedPages_.length = 0;
     },
 
     /**
      * Resets all the state variables of this object and hides
      * |this.selectedPagesHint|.
      */
     resetState: function() {
       this.selectedPagesTextfield.classList.remove('invalid');
-      fadeOutElement(this.selectedPagesHint);
+      fadeOutElement(this.selectedPagesHint_);
       this.invalidateTotalPageCount_();
       this.invalidatePreviouslySelectedPages_();
     },
 
     /**
      * Updates |this.totalPageCount_| and |this.previouslySelectedPages_|,
      * only if they have been previously invalidated.
      * @param {number} newTotalPageCount The new total page count.
      */
     updateState: function(newTotalPageCount) {
@@ skipping 205 matching lines @@
           this.onSelectedPagesMayHaveChanged_();
         }
       }.bind(this);
     }
   };
 
   return {
     PageSettings: PageSettings,
   };
 });