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

media/cast/logging/logging_defines.h

Index: media/cast/logging/logging_defines.h
diff --git a/media/cast/logging/logging_defines.h b/media/cast/logging/logging_defines.h
index 9a8d9361093d2927a300414161b10c872fabca59..4780d842d022e578d511a35c807ef059dff7ba8e 100644
--- a/media/cast/logging/logging_defines.h
+++ b/media/cast/logging/logging_defines.h
@@ -13,14 +13,13 @@
 #include <vector>
 
 #include "base/time/time.h"
+#include "media/cast/common/rtp_time.h"
 
 namespace media {
 namespace cast {
 
 static const uint32_t kFrameIdUnknown = 0xFFFFFFFF;
 
-typedef uint32_t RtpTimestamp;
-
 enum CastLoggingEvent {
   UNKNOWN,
   // Sender side frame events.
@@ -55,7 +54,7 @@ struct FrameEvent {
   FrameEvent();
   ~FrameEvent();
 
-  RtpTimestamp rtp_timestamp;
+  RtpTimeTicks rtp_timestamp;
   uint32_t frame_id;
 
   // Resolution of the frame. Only set for video FRAME_CAPTURE_END events.
@@ -95,7 +94,7 @@ struct PacketEvent {
   PacketEvent();
   ~PacketEvent();
 
-  RtpTimestamp rtp_timestamp;
+  RtpTimeTicks rtp_timestamp;
   uint32_t frame_id;
   uint16_t max_packet_id;
   uint16_t packet_id;