FILE_ERROR_SOURCE_GET_SIZE   89 net/base/file_stream_context_posix.cc     RecordError(result, FILE_ERROR_SOURCE_GET_SIZE);
FILE_ERROR_SOURCE_GET_SIZE   99 net/base/file_stream_context_win.cc     RecordError(error, FILE_ERROR_SOURCE_GET_SIZE);
FILE_ERROR_SOURCE_GET_SIZE   81 net/base/file_stream_metrics.cc     case FILE_ERROR_SOURCE_GET_SIZE: