diff -r 000000000000 -r 6474c204b198 widget/qt/nsPrintDialogQt.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/qt/nsPrintDialogQt.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsPrintSettingsQt.h"
+#include "nsPrintDialogQt.h"
+
+// For Qt, we only support printing to PDF, and that doesn't need a
+// print dialog at this point.  So, this class's methods are left
+// un-implemented for now.
+
+NS_IMPL_ISUPPORTS(nsPrintDialogServiceQt, nsIPrintDialogService)
+
+nsPrintDialogServiceQt::nsPrintDialogServiceQt()
+{
+}
+
+nsPrintDialogServiceQt::~nsPrintDialogServiceQt()
+{
+}
+
+NS_IMETHODIMP
+nsPrintDialogServiceQt::Init()
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsPrintDialogServiceQt::Show(nsIDOMWindow* aParent,
+                             nsIPrintSettings* aSettings,
+                             nsIWebBrowserPrint* aWebBrowserPrint)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsPrintDialogServiceQt::ShowPageSetup(nsIDOMWindow* aParent,
+                                      nsIPrintSettings* aNSSettings)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}