2nd try: FileAPI: Split recursive remove into multiple tasks.

webkit/fileapi/syncable/syncable_file_system_operation.h

Index: webkit/fileapi/syncable/syncable_file_system_operation.h
diff --git a/webkit/fileapi/syncable/syncable_file_system_operation.h b/webkit/fileapi/syncable/syncable_file_system_operation.h
index 20a297f40811484a22265b385206845808c5f4e0..2a87192f539d831b53fe3d2bb0f2db8b92b32aa6 100644
--- a/webkit/fileapi/syncable/syncable_file_system_operation.h
+++ b/webkit/fileapi/syncable/syncable_file_system_operation.h
@@ -89,10 +89,14 @@ class WEBKIT_STORAGE_EXPORT SyncableFileSystemOperation
                 bool complete);
 
   void OnCancelled();
-
   void AbortOperation(const StatusCallback& callback,
                       base::PlatformFileError error);
 
+  // Just destruct this; used when we 9simply delegate the operation
+  // to the owning file_system_operation_.
+  // (See the comment at AsLocalFileSystemOperation())
+  void Destruct();
+
   base::WeakPtr<SyncableFileOperationRunner> operation_runner_;
   LocalFileSystemOperation* file_system_operation_;
   std::vector<FileSystemURL> target_paths_;