[SyncFS] Support late authentication

chrome/browser/sync_file_system/drive_backend/sync_worker_interface.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_INTERFACE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_WORKER_INTERFACE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 62 matching lines @@
       const FileChange& local_change,
       const base::FilePath& local_path,
       const SyncFileMetadata& local_metadata,
       const fileapi::FileSystemURL& url,
       const SyncStatusCallback& callback) = 0;
 
   // See drive::DriveNotificationObserver for the details.
   virtual void OnNotificationReceived() = 0;
 
   // See drive::DriveServiceObserver for the details.
-  virtual void OnReadyToSendRequests(const std::string& account_id) = 0;
+  virtual void OnReadyToSendRequests() = 0;
   virtual void OnRefreshTokenInvalid() = 0;
 
   // See net::NetworkChangeNotifier::NetworkChangeObserver for the details.
   virtual void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) = 0;
 
   virtual drive::DriveServiceInterface* GetDriveService() = 0;
   virtual drive::DriveUploaderInterface* GetDriveUploader() = 0;
   virtual MetadataDatabase* GetMetadataDatabase() = 0;
   virtual SyncTaskManager* GetSyncTaskManager() = 0;
 
   virtual void DetachFromSequence() = 0;
 
  private:
   friend class SyncEngineTest;
 
   // TODO(peria): Remove this interface after making FakeSyncWorker class.
   virtual void SetHasRefreshToken(bool has_refresh_token) = 0;
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_WORKER_INTERFACE_H_