[SyncFS] Support late authentication

chrome/browser/sync_file_system/drive_backend/sync_worker.h

 // Copyright 2014 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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_WORKER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_WORKER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 107 matching lines @@
 
   virtual void ApplyLocalChange(
       const FileChange& local_change,
       const base::FilePath& local_path,
       const SyncFileMetadata& local_metadata,
       const fileapi::FileSystemURL& url,
       const SyncStatusCallback& callback) OVERRIDE;
 
   virtual void OnNotificationReceived() OVERRIDE;
 
-  virtual void OnReadyToSendRequests(const std::string& account_id) OVERRIDE;
+  virtual void OnReadyToSendRequests() OVERRIDE;
   virtual void OnRefreshTokenInvalid() OVERRIDE;
 
   virtual void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
   virtual drive::DriveServiceInterface* GetDriveService() OVERRIDE;
   virtual drive::DriveUploaderInterface* GetDriveUploader() OVERRIDE;
   virtual MetadataDatabase* GetMetadataDatabase() OVERRIDE;
   virtual SyncTaskManager* GetSyncTaskManager() OVERRIDE;
 
@@ skipping 63 matching lines @@
   base::SequenceChecker sequence_checker_;
 
   base::WeakPtrFactory<SyncWorker> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(SyncWorker);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_WORKER_H_