chrome: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

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>
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "chrome/service/cloud_print/cloud_print_url_fetcher.h"
 #include "chrome/service/cloud_print/job_status_updater.h"
 #include "chrome/service/cloud_print/printer_job_queue_handler.h"
 #include "net/url_request/url_request_status.h"
 #include "printing/backend/print_backend.h"
 #include "url/gurl.h"
 
 class URLFetcher;
@@ skipping 242 matching lines @@
   // DataHandler (depending on the current request being made).
   JSONDataHandler next_json_data_handler_;
   DataHandler next_data_handler_;
   // 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_;
+  scoped_refptr<base::SingleThreadTaskRunner> job_handler_task_runner_;
 
   // 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_;
@@ skipping 21 matching lines @@
 
 // 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_