Print Preview: Changing tab title and invalid page range error message

chrome/browser/resources/print_preview.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.
 
 var localStrings = new LocalStrings();
 
 // The total page count of the previewed document regardless of which pages the
 // user has selected.
 var totalPageCount = -1;
 
@@ skipping 598 matching lines @@
 function updatePrintSummary() {
   var copies = getCopies();
   var printSummary = $('print-summary');
 
   if (!isNumberOfCopiesValid()) {
     printSummary.innerHTML = localStrings.getString('invalidNumberOfCopies');
     return;
   }
 
   if (getSelectedPagesValidityLevel() != 1) {
-    printSummary.innerHTML = localStrings.getString('invalidPageRange');
+    printSummary.innerHTML = '';
     return;
   }
 
   var pageList = getSelectedPagesSet();
   var numOfSheets = pageList.length;
   var sheetsLabel = localStrings.getString('printPreviewSheetsLabelSingular');
   var numOfPagesText = '';
   var pagesLabel = '';
 
   if (isTwoSided())
@@ skipping 271 matching lines @@
     copiesField.value = 1;
   else {
     var newValue = getCopies() + sign * 1;
     if (newValue < copiesField.min || newValue > copiesField.max)
       return;
     copiesField.value = newValue;
   }
   copiesFieldChanged();
 }