Part 1 of repairing regressions to my old clang check plugins so Nico can

printing/backend/print_backend.h

 // Copyright (c) 2010 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 PRINTING_BACKEND_PRINT_BACKEND_H_
 #define PRINTING_BACKEND_PRINT_BACKEND_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 12 matching lines @@
 
   std::string printer_name;
   std::string printer_description;
   int printer_status;
   std::map<std::string, std::string> options;
 };
 
 typedef std::vector<PrinterBasicInfo> PrinterList;
 
 struct PrinterCapsAndDefaults {
+  PrinterCapsAndDefaults();
+  ~PrinterCapsAndDefaults();
+
   std::string printer_capabilities;
   std::string caps_mime_type;
   std::string printer_defaults;
   std::string defaults_mime_type;
 };
 
 // PrintBackend class will provide interface for different print backends
 // (Windows, CUPS) to implement. User will call CreateInstance() to
 // obtain available print backend.
 // Please note, that PrintBackend is not platform specific, but rather
@@ skipping 18 matching lines @@
   // Allocate a print backend. If |print_backend_settings| is NULL, default
   // settings will be used.
   // Return NULL if no print backend available.
   static scoped_refptr<PrintBackend> CreateInstance(
       const DictionaryValue* print_backend_settings);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_BACKEND_PRINT_BACKEND_H_