Cleanup: Remove unused variables in chrome/ found by Scythe.

chrome/service/cloud_print/printer_job_handler.h

 // 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.
 
 #ifndef CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_HANDLER_H_
 #define CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_HANDLER_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 250 matching lines @@
   JobDetails job_details_;
   Delegate* delegate_;
   // Once the job has been spooled to the local spooler, this specifies the
   // job id of the job on the local spooler.
   PlatformJobId local_job_id_;
 
   // The next response handler can either be a JSONDataHandler or a
   // DataHandler (depending on the current request being made).
   JSONDataHandler next_json_data_handler_;
   DataHandler next_data_handler_;
-  // The number of consecutive times that connecting to the server failed.
-  int server_error_count_;
   // The thread on which the actual print operation happens
   base::Thread print_thread_;
   // The Job spooler object. This is only non-NULL during a print operation.
   // It lives and dies on |print_thread_|
   scoped_refptr<PrintSystem::JobSpooler> job_spooler_;
   // The message loop proxy representing the thread on which this object
   // was created. Used by the print thread.
   scoped_refptr<base::MessageLoopProxy> job_handler_message_loop_proxy_;
 
   // There may be pending tasks in the message queue when Shutdown is called.
   // We set this flag so as to do nothing in those tasks.
   bool shutting_down_;
 
   // A string indicating the reason we are fetching jobs from the server
   // (used to specify the reason in the fetch URL).
   std::string job_fetch_reason_;
   // Flags that specify various pending server updates
   bool job_check_pending_;
   bool printer_update_pending_;
 
-  // Number of seconds between XMPP pings (for server registration)
-  int xmpp_ping_interval_;
-
   // Some task in the state machine is in progress.
   bool task_in_progress_;
   scoped_refptr<PrintSystem::PrinterWatcher> printer_watcher_;
   typedef std::list< scoped_refptr<JobStatusUpdater> > JobStatusUpdaterList;
   JobStatusUpdaterList job_status_updater_list_;
 
   // Manages parsing the job queue
   PrinterJobQueueHandler job_queue_handler_;
 
   base::TimeTicks last_job_fetch_time_;
 
   base::Time job_start_time_;
   base::Time spooling_start_time_;
   base::Time last_caps_update_time_;
 
   base::WeakPtrFactory<PrinterJobHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrinterJobHandler);
 };
 
 // This typedef is to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error. (I saw this error on the try bots -
 // the workaround was not needed for my machine).
 typedef PrinterJobHandler::Delegate PrinterJobHandlerDelegate;
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_HANDLER_H_