20 MetricsServiceObserver::Log::Event CreateEventStruct(  in CreateEventStruct()
23   MetricsServiceObserver::Log::Event event_struct;  in CreateEventStruct()
68       return "Reason: Periodic log creation";  in CreateReasonToString()
78       return "Reason: Alternate ongoing log store set";  in CreateReasonToString()
80       return "Reason: Alternate ongoing log store unset";  in CreateReasonToString()
84       // TODO(crbug/1363747): Give more insight here (e.g. "independent log  in CreateReasonToString()
86       return "Reason: Independent log";  in CreateReasonToString()
95 MetricsServiceObserver::Log::Log() = default;
96 MetricsServiceObserver::Log::Log(const Log&) = default;
97 MetricsServiceObserver::Log& MetricsServiceObserver::Log::operator=(
98     const Log&) = default;
99 MetricsServiceObserver::Log::~Log() = default;
100 MetricsServiceObserver::Log::Event::Event() = default;
101 MetricsServiceObserver::Log::Event::Event(const Event&) = default;
102 MetricsServiceObserver::Log::Event&
103 MetricsServiceObserver::Log::Event::operator=(const Event&) = default;
104 MetricsServiceObserver::Log::Event::~Event() = default;
113   // Insert a new log into |logs_| with the given |log_hash| to indicate that  in OnLogCreated()
114   // this observer is now aware and keeping track of this log.  in OnLogCreated()
115   std::unique_ptr<Log> log = std::make_unique<Log>();  in OnLogCreated()  local
116   log->hash = std::string(log_hash);  in OnLogCreated()
117   log->timestamp = std::string(log_timestamp);  in OnLogCreated()
118   log->data = std::string(log_data);  in OnLogCreated()
121     log->type = uma_log_type_;  in OnLogCreated()
124   // Immediately create a |kLogCreated| log event, along with the reason why the  in OnLogCreated()
125   // log was created.  in OnLogCreated()
126   log->events.push_back(  in OnLogCreated()
130   indexed_logs_.emplace(log->hash, log.get());  in OnLogCreated()
131   logs_.push_back(std::move(log));  in OnLogCreated()
140   Log* log = GetLogFromHash(log_hash);  in OnLogEvent()  local
143   // nothing. This may happen if this observer started observing after a log  in OnLogEvent()
145   if (!log)  in OnLogEvent()
148   log->events.push_back(CreateEventStruct(event, message));  in OnLogEvent()
162   // Create and append to |logs_list| a base::Value for each log in |logs_|.  in ExportLogsAsJson()
163   for (const std::unique_ptr<Log>& log : logs_) {  in ExportLogsAsJson()  local
166     if (log->type.has_value()) {  in ExportLogsAsJson()
168       log_dict.Set("type", LogTypeToString(log->type.value()));  in ExportLogsAsJson()
170     log_dict.Set("hash", base::HexEncode(log->hash.data(), log->hash.length()));  in ExportLogsAsJson()
171     log_dict.Set("timestamp", log->timestamp);  in ExportLogsAsJson()
175       base::Base64Encode(log->data, &base64_encoded_data);  in ExportLogsAsJson()
179     log_dict.Set("size", static_cast<int>(log->data.length()));  in ExportLogsAsJson()
182     for (const Log::Event& event : log->events) {  in ExportLogsAsJson()
210     LOG(ERROR) << "Failed to export logs to " << path << ": " << logs_data;  in ExportLogsToFile()
219 MetricsServiceObserver::Log* MetricsServiceObserver::GetLogFromHash(  in GetLogFromHash()