CurrentTimeStampInMicroseconds  619 media/cdm/ppapi/external_clear_key/clear_key_cdm.cc   int64 timestamp = CurrentTimeStampInMicroseconds();
CurrentTimeStampInMicroseconds  651 media/cdm/ppapi/external_clear_key/clear_key_cdm.cc       timestamp_in_microseconds - CurrentTimeStampInMicroseconds(),
CurrentTimeStampInMicroseconds  102 media/cdm/ppapi/external_clear_key/clear_key_cdm.h   int64 CurrentTimeStampInMicroseconds() const;