Pass error code for drive::JobListObserver::OnJobDone().

chrome/browser/chromeos/drive/job_list_interface.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_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_JOB_LIST_INTERFACE_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
+#include "chrome/browser/chromeos/drive/drive_file_error.h"
 
 namespace drive {
 
 // Enum representing the type of job.
 enum JobType {
   TYPE_GET_ABOUT_RESOURCE,
   TYPE_GET_ACCOUNT_METADATA,
   TYPE_GET_APP_LIST,
   TYPE_GET_ALL_RESOURCE_LIST,
   TYPE_GET_RESOURCE_LIST_IN_DIRECTORY,
@@ skipping 60 matching lines @@
 };
 
 // The interface for observing JobListInterface.
 // All events are notified in the UI thread.
 class JobListObserver {
  public:
   // Called when a new job id added.
   virtual void OnJobAdded(const JobInfo& job_info) {}
 
   // Called when a job id finished.
-  virtual void OnJobDone(const JobInfo& job_info) {}
+  // |error| is DRIVE_FILE_OK when the job successfully finished, and a value
+  // telling the reason of failure when the jobs is failed.
+  virtual void OnJobDone(const JobInfo& job_info,
+                         DriveFileError error) {}
 
   // Called when a job status is updated.
   virtual void OnJobUpdated(const JobInfo& job_info) {}
 
  protected:
   virtual ~JobListObserver() {}
 };
 
 // The interface to expose the list of issued Drive jobs.
 class JobListInterface {
  public:
   virtual ~JobListInterface() {}
 
   // Returns the list of jobs currently managed by the scheduler.
   virtual std::vector<JobInfo> GetJobInfoList() = 0;
 
   // Adds an observer.
   virtual void AddObserver(JobListObserver* observer) = 0;
 
   // Removes an observer.
   virtual void RemoveObserver(JobListObserver* observer) = 0;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_JOB_LIST_INTERFACE_H_