Move useful printing backend code from chrome/service/cloud_print to printing...

chrome/service/cloud_print/print_system.cc

 // 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.
 
 #include "chrome/service/cloud_print/print_system.h"
 
 namespace cloud_print {
 
-PrinterBasicInfo::PrinterBasicInfo() : printer_status(0) {}
-
-PrinterBasicInfo::~PrinterBasicInfo() {}
-
 PrintJobDetails::PrintJobDetails()
     : status(PRINT_JOB_STATUS_INVALID),
       platform_status_flags(0),
       total_pages(0),
       pages_printed(0) {
 }
 
 void PrintJobDetails::Clear() {
   status = PRINT_JOB_STATUS_INVALID;
   platform_status_flags = 0;
   status_message.clear();
   total_pages = 0;
   pages_printed = 0;
 }
 
 PrintSystem::PrintServerWatcher::~PrintServerWatcher() {}
 
 PrintSystem::PrinterWatcher::~PrinterWatcher() {}
 
 PrintSystem::JobSpooler::~JobSpooler() {}
 
 PrintSystem::~PrintSystem() {}
 
 }  // namespace cloud_print