Enrich fileBrowserPrivate.onFileTransfersUpdated event to support displaying total number of jobs.

chrome/browser/chromeos/drive/job_list.h

 // Copyright 2013 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_DRIVE_JOB_LIST_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_JOB_LIST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 71 matching lines @@
   int64 num_total_bytes;
 
   // Drive path of the file that this job acts on.
   base::FilePath file_path;
 
   // Time when the job is started (i.e. the request is sent to the server).
   base::Time start_time;
 
   // Returns the string representation of the job info.
   std::string ToString() const;
+
+  // Total number of jobs.
+  long num_total_jobs;
 };
 
 // Checks if |job_info| represents a job for currently active file transfer.
 bool IsActiveFileTransferJobInfo(const JobInfo& job_info);
 
 // The interface for observing JobListInterface.
 // All events are notified in the UI thread.
 class JobListObserver {
  public:
   // Called when a new job id added.
@@ skipping 29 matching lines @@
   // Cancels the job.
   virtual void CancelJob(JobID job_id) = 0;
 
   // Cancels all the jobs.
   virtual void CancelAllJobs() = 0;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_JOB_LIST_H_