extern const char kInstallDate[];
extern const char kMetricsClientID[];
extern const char kMetricsInitialLogs[];
-extern const char kMetricsInitialLogsOld[];
extern const char kMetricsLowEntropySource[];
extern const char kMetricsMachineId[];
extern const char kMetricsOldClientID[];
extern const char kMetricsOldLowEntropySource[];
extern const char kMetricsOngoingLogs[];
-extern const char kMetricsOngoingLogsOld[];
extern const char kMetricsResetIds[];
extern const char kMetricsReportingEnabledTimestamp[];
extern const char kMetricsSessionID[];