141   std::string encoded_trace;  in WriteBlockAccess()  local
142   TracerHelper::EncodeTrace(trace, &encoded_trace);  in WriteBlockAccess()
143   return trace_writer_->Write(encoded_trace);  in WriteBlockAccess()
153   std::string encoded_trace;  in WriteHeader()  local
154   TracerHelper::EncodeTrace(trace, &encoded_trace);  in WriteHeader()
155   return trace_writer_->Write(encoded_trace);  in WriteHeader()
164   std::string encoded_trace;  in ReadHeader()  local
165   Status s = trace_reader_->Read(&encoded_trace);  in ReadHeader()
170   s = TracerHelper::DecodeTrace(encoded_trace, &trace);  in ReadHeader()
206   std::string encoded_trace;  in ReadAccess()  local
207   Status s = trace_reader_->Read(&encoded_trace);  in ReadAccess()
212   s = TracerHelper::DecodeTrace(encoded_trace, &trace);  in ReadAccess()