Fix "2nd print fails on Mac sometimes" bug.

chrome/browser/resources/print_preview/print_preview.js

Index: chrome/browser/resources/print_preview/print_preview.js
diff --git a/chrome/browser/resources/print_preview/print_preview.js b/chrome/browser/resources/print_preview/print_preview.js
index 709922bc42c7161a61e3a825c26788b9dcc31f63..e49541ccc47a4c89b96f7741371f3b021fecf7fd 100644
--- a/chrome/browser/resources/print_preview/print_preview.js
+++ b/chrome/browser/resources/print_preview/print_preview.js
@@ -461,8 +461,7 @@ function cancelPendingPrintRequest() {
 function sendPrintDocumentRequest() {
   var printerList = $('printer-list');
   var printer = printerList[printerList.selectedIndex];
-  chrome.send('saveLastPrinter', [printer.textContent,
-                                  cloudprint.getData(printer)]);
+  chrome.send('saveLastPrinter', [printer.value, cloudprint.getData(printer)]);
   chrome.send('print', [JSON.stringify(getSettings()),
                         cloudprint.getPrintTicketJSON(printer)]);
 }