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

media/cast/logging/logging_defines.cc

 // Copyright 2013 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.
 
 #include "media/cast/logging/logging_defines.h"
 
 #include "base/logging.h"
 
 #define ENUM_TO_STRING(enum) \
   case enum:                 \
@@ skipping 15 matching lines @@
     ENUM_TO_STRING(PACKET_SENT_TO_NETWORK);
     ENUM_TO_STRING(PACKET_RETRANSMITTED);
     ENUM_TO_STRING(PACKET_RTX_REJECTED);
     ENUM_TO_STRING(PACKET_RECEIVED);
   }
   NOTREACHED();
   return "";
 }
 
 FrameEvent::FrameEvent()
-    : rtp_timestamp(0u), frame_id(kFrameIdUnknown), width(0), height(0),
-      size(0u), type(UNKNOWN), media_type(UNKNOWN_EVENT), key_frame(false),
-      target_bitrate(0), encoder_cpu_utilization(-1.0),
+    : frame_id(kFrameIdUnknown),
+      width(0),
+      height(0),
+      size(0u),
+      type(UNKNOWN),
+      media_type(UNKNOWN_EVENT),
+      key_frame(false),
+      target_bitrate(0),
+      encoder_cpu_utilization(-1.0),
       idealized_bitrate_utilization(-1.0) {}
 FrameEvent::~FrameEvent() {}
 
 PacketEvent::PacketEvent()
-    : rtp_timestamp(0),
-      frame_id(kFrameIdUnknown),
+    : frame_id(kFrameIdUnknown),
       max_packet_id(0),
       packet_id(0),
       size(0),
       type(UNKNOWN),
       media_type(UNKNOWN_EVENT) {}
 PacketEvent::~PacketEvent() {}
 
 }  // namespace cast
 }  // namespace media