Refine notifications for print jobs in progress.

chrome/browser/chromeos/printing/cups_print_job_manager_impl.h

 // Copyright 2017 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_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_IMPL_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 49 matching lines @@
   // Schedule the CUPS query off the UI thread. Posts results back to UI thread
   // to UpdateJobs.
   void PostQuery();
 
   // Process jobs from CUPS and perform notifications.
   void UpdateJobs(const QueryResult& results);
 
   // Mark remaining jobs as errors and remove active jobs.
   void PurgeJobs();
 
-  // Updates the state and performs the appropriate notifications.
-  void JobStateUpdated(CupsPrintJob* job, CupsPrintJob::State new_state);
+  // Notify observers that a state update has occured for |job|.
+  void NotifyJobStateUpdate(CupsPrintJob* job);
 
   // Ongoing print jobs.
   std::map<std::string, std::unique_ptr<CupsPrintJob>> jobs_;
 
   // Prevents multiple queries from being scheduled simultaneously.
   bool in_query_ = false;
 
   // Records the number of consecutive times the GetJobs query has failed.
   int retry_count_ = 0;
 
   ::printing::CupsConnection cups_connection_;
   content::NotificationRegistrar registrar_;
   base::WeakPtrFactory<CupsPrintJobManagerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CupsPrintJobManagerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PRINTING_CUPS_PRINT_JOB_MANAGER_IMPL_H_