Tunnel the CDD from the Print Preview javascript to the privet operation

chrome/browser/resources/print_preview/native_layer.js

Index: chrome/browser/resources/print_preview/native_layer.js
diff --git a/chrome/browser/resources/print_preview/native_layer.js b/chrome/browser/resources/print_preview/native_layer.js
index 526e14f23471a8c5dcc66dfe4d0253cf87cbbcdf..c40ec86cada837573b008f17ca880531f48a450c 100644
--- a/chrome/browser/resources/print_preview/native_layer.js
+++ b/chrome/browser/resources/print_preview/native_layer.js
@@ -283,7 +283,7 @@ cr.define('print_preview', function() {
         'requestID': -1,
         'fitToPageEnabled': printTicketStore.fitToPage.getValue(),
         'pageWidth': documentInfo.pageSize.width,
-        'pageHeight': documentInfo.pageSize.height,
+        'pageHeight': documentInfo.pageSize.height
       };
 
       if (!destination.isLocal) {
@@ -309,6 +309,7 @@ cr.define('print_preview', function() {
 
       if (destination.isPrivet) {
         ticket['ticket'] = printTicketStore.createPrintTicket(destination);
+        ticket['capabilities'] = JSON.stringify(destination.capabilities);
       }
 
       if (opt_isOpenPdfInPreview) {