Fallback to CDD/CJT if connector can't initialize XPS API.

chrome/service/cloud_print/cdd_conversion_win.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_SERVICE_CLOUD_PRINT_CDD_CONVERSION_WIN_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CDD_CONVERSION_WIN_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 
 namespace printing {
 struct PrinterSemanticCapsAndDefaults;
 }
 
 namespace cloud_print {
 
+bool IsValidCjt(const std::string& print_ticket);
+
+scoped_ptr<DEVMODE[]> CjtToDevMode(const base::string16& printer_name,
+                                   const std::string& print_ticket);
+
 std::string CapabilitiesToCdd(
     const printing::PrinterSemanticCapsAndDefaults& semantic_info);
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CDD_CONVERSION_WIN_H_