[SyncFS] Replace callbacks with token in LocalToRemoteSyncer::UpdateRemoteMetadata

chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h

Index: chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h
diff --git a/chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h b/chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h
index ef9c9e73045068c35d9870f3d2cee2a282bdb6ae..5a8b4b9e87304c8bd679bf66ed46e03a11e757d9 100644
--- a/chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h
+++ b/chrome/browser/sync_file_system/drive_backend/local_to_remote_syncer.h
@@ -78,9 +78,9 @@ class LocalToRemoteSyncer : public SyncTask {
       scoped_ptr<SyncTaskToken> token,
       SyncStatusCode status);
   void UpdateRemoteMetadata(const std::string& file_id,
-                            const SyncStatusCallback& callback);
+                            scoped_ptr<SyncTaskToken> token);
   void DidGetRemoteMetadata(const std::string& file_id,
-                            const SyncStatusCallback& callback,
+                            scoped_ptr<SyncTaskToken> token,
                             google_apis::GDataErrorCode error,
                             scoped_ptr<google_apis::FileResource> entry);
 
@@ -107,6 +107,9 @@ class LocalToRemoteSyncer : public SyncTask {
   drive::DriveUploaderInterface* drive_uploader();
   MetadataDatabase* metadata_database();
 
+  void CompleteWithRetryStatus(scoped_ptr<SyncTaskToken> token,
+                               SyncStatusCode status);
+
   SyncEngineContext* sync_context_;  // Not owned.
 
   FileChange local_change_;