Page range comparisons should use document size.

chrome/browser/resources/print_preview/data/document_info.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';
 
   /**
    * Object which contains information related to the document to print.
    * @constructor
    */
   function DocumentInfo() {
     /**
      * Whether the document to print is modifiable (i.e. can be reflowed).
      * @type {boolean}
      */
     this.isModifiable = true;
 
     /**
      * Number of pages in the document to print.
      * @type {number}
      */
-    this.pageCount = 1;
+    this.pageCount = 0;
 
     /**
      * Size of the pages of the document in points.
      * @type {!print_preview.Size}
      */
     this.pageSize = new print_preview.Size(0, 0);
 
     /**
      * Printable area of the document in points.
      * @type {!print_preview.PrintableArea}
@@ skipping 24 matching lines @@
      * @type {string}
      */
     this.title = '';
   };
 
   // Export
   return {
     DocumentInfo: DocumentInfo
   };
 });