137   std::string ToStdString() const { return txt.ToStdString(); }  in ToStdString()  function
301                            {"$k", key.ToStdString()},  in StringField()
303                            {"$v", value.ToStdString()},  in StringField()
313                          {"$k", key.ToStdString()},  in StringField()
315                          {"$v", value.ToStdString()},  in StringField()
343                      {"$k", key.ToStdString()},  in IdentifierField()
345                      {"$v", value.ToStdString()},  in IdentifierField()
358         if (value.ToStdString() != enum_value.name())  in IdentifierField()
369                      {"$v", value.ToStdString()},  in IdentifierField()
370                      {"$k", key.ToStdString()},  in IdentifierField()
441     base::Optional<double> opt_n = base::StringToDouble(t.ToStdString());  in FixedFloatField()
448     PERFETTO_CHECK(sscanf(s.ToStdString().c_str(), "%" PRIu64, &n) == 1);  in ParseInteger()
458     const std::string field_name = key.ToStdString();  in FindFieldByName()
494                    {"$v", value.ToStdString()},  in FindFieldByName()