Convert JsonWriter::Write to taking a const ref for the in-param

chrome/service/cloud_print/print_system_win.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/service/cloud_print/print_system.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 527 matching lines @@
       bool succeeded,
       const std::string& printer_name,
       const printing::PrinterSemanticCapsAndDefaults& semantic_info) override {
     printing::PrinterCapsAndDefaults printer_info;
     if (succeeded) {
       printer_info.caps_mime_type = kContentTypeJSON;
       scoped_ptr<base::DictionaryValue> description(
           PrinterSemanticCapsAndDefaultsToCdd(semantic_info));
       if (description) {
         base::JSONWriter::WriteWithOptions(
-            description.get(), base::JSONWriter::OPTIONS_PRETTY_PRINT,
+            *description, base::JSONWriter::OPTIONS_PRETTY_PRINT,
             &printer_info.printer_capabilities);
       }
     }
     callback_.Run(succeeded, printer_name, printer_info);
     callback_.Reset();
     Release();
   }
 
   void StartGetPrinterCapsAndDefaults() {
     g_service_process->io_thread()->message_loop_proxy()->PostTask(
@@ skipping 261 matching lines @@
 }
 
 }  // namespace
 
 scoped_refptr<PrintSystem> PrintSystem::CreateInstance(
     const base::DictionaryValue* print_system_settings) {
   return new PrintSystemWin;
 }
 
 }  // namespace cloud_print