Use document from preview for System Dialog printing on Windows.

printing/printing_context.cc

Index: printing/printing_context.cc
diff --git a/printing/printing_context.cc b/printing/printing_context.cc
index d2b1e688838f83eb003114360afb409257619b95..352882891cabd60dad4bfd563a3f0aec4878fd49 100644
--- a/printing/printing_context.cc
+++ b/printing/printing_context.cc
@@ -114,7 +114,11 @@ PrintingContext::Result PrintingContext::UpdatePrintSettings(
     return OK;
   }
 
-  return UpdatePrinterSettings(open_in_external_preview);
+  bool show_system_dialog = false;
+  job_settings.GetBoolean(printing::kSettingShowSystemDialog,
+                          &show_system_dialog);
+
+  return UpdatePrinterSettings(open_in_external_preview, show_system_dialog);
 }
 
 }  // namespace printing