Fixing behavior of print button when canceling print to pdf

chrome/browser/resources/print_preview.js

Index: chrome/browser/resources/print_preview.js
diff --git a/chrome/browser/resources/print_preview.js b/chrome/browser/resources/print_preview.js
index 0bb91592798d17702f4599d8b70922069db6ad5c..665fc402f758813f7a3950bed2b391dcdbe0c7fe 100644
--- a/chrome/browser/resources/print_preview.js
+++ b/chrome/browser/resources/print_preview.js
@@ -332,12 +332,11 @@ function getSelectedPrinterName() {
  * Asks the browser to print the preview PDF based on current print settings.
  */
 function printFile() {
-  $('print-button').classList.add('loading');
-  $('cancel-button').classList.add('loading');
-  $('print-summary').innerHTML = localStrings.getString('printing');
-  removeEventListeners();
-
   if (getSelectedPrinterName() != PRINT_TO_PDF) {
+    $('print-button').classList.add('loading');
+    $('cancel-button').classList.add('loading');
+    $('print-summary').innerHTML = localStrings.getString('printing');
+    removeEventListeners();
     window.setTimeout(function() { chrome.send('print', [getSettingsJSON()]); },
                       1000);
   } else