Replace uses of raw uint32's with a type-checked RtpTimeTicks data type.

media/cast/net/rtcp/rtcp_utility.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_CAST_RTCP_RTCP_UTILITY_H_
 #define MEDIA_CAST_RTCP_RTCP_UTILITY_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 70 matching lines @@
   bool ParseFeedbackCommon(base::BigEndianReader* reader,
                            const RtcpCommonHeader& header);
   bool ParseExtendedReport(base::BigEndianReader* reader,
                            const RtcpCommonHeader& header);
   bool ParseExtendedReportReceiverReferenceTimeReport(
       base::BigEndianReader* reader,
       uint32_t remote_ssrc);
   bool ParseExtendedReportDelaySinceLastReceiverReport(
       base::BigEndianReader* reader);
 
-  uint32_t local_ssrc_;
-  uint32_t remote_ssrc_;
+  const uint32_t local_ssrc_;
+  const uint32_t remote_ssrc_;
 
   bool has_sender_report_;
   RtcpSenderInfo sender_report_;
 
   uint32_t last_report_;
   uint32_t delay_since_last_report_;
   bool has_last_report_;
 
   // |receiver_log_| is a vector vector, no need for has_*.
   RtcpReceiverLogMessage receiver_log_;
 
   bool has_cast_message_;
   RtcpCastMessage cast_message_;
 
   bool has_receiver_reference_time_report_;
   RtcpReceiverReferenceTimeReport receiver_reference_time_report_;
 
+  // Tracks recently-parsed RTP timestamps so that the truncated values can be
+  // re-expanded into full-form.
+  RtpTimeTicks last_parsed_sr_rtp_timestamp_;
+  RtpTimeTicks last_parsed_frame_log_rtp_timestamp_;
+
   DISALLOW_COPY_AND_ASSIGN(RtcpParser);
 };
 
 // Converts a log event type to an integer value.
 // NOTE: We have only allocated 4 bits to represent the type of event over the
 // wire. Therefore, this function can only return values from 0 to 15.
 uint8_t ConvertEventTypeToWireFormat(CastLoggingEvent event);
 
 // The inverse of |ConvertEventTypeToWireFormat()|.
 CastLoggingEvent TranslateToLogEventFromWireFormat(uint8_t event);
@@ skipping 11 matching lines @@
 
 // Maps an NTP timestamp, comprised of two components, to a base::TimeTicks
 // value.
 base::TimeTicks ConvertNtpToTimeTicks(uint32_t ntp_seconds,
                                       uint32_t ntp_fractions);
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_RTCP_RTCP_UTILITY_H_