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

media/cast/logging/log_deserializer.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_LOGGING_LOG_DESERIALIZER_H_
 #define MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_
 
 #include <map>
 #include <string>
 
 #include "base/memory/linked_ptr.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/logging/proto/raw_events.pb.h"
 
 namespace media {
 namespace cast {
 
-typedef std::map<RtpTimestamp,
-                 linked_ptr<media::cast::proto::AggregatedFrameEvent> >
+typedef std::map<RtpTimeTicks,
+                 linked_ptr<media::cast::proto::AggregatedFrameEvent>>
     FrameEventMap;
-typedef std::map<RtpTimestamp,
-                 linked_ptr<media::cast::proto::AggregatedPacketEvent> >
+typedef std::map<RtpTimeTicks,
+                 linked_ptr<media::cast::proto::AggregatedPacketEvent>>
     PacketEventMap;
 
 // Represents deserialized raw event logs for a particular stream.
 struct DeserializedLog {
   DeserializedLog();
   ~DeserializedLog();
   proto::LogMetadata metadata;
   FrameEventMap frame_events;
   PacketEventMap packet_events;
 };
 
 // This function takes the output of LogSerializer and deserializes it into
 // its original format. Returns true if deserialization is successful. All
 // output arguments are valid if this function returns true.
 // |data|: Serialized event logs with length |data_bytes|.
 // |compressed|: true if |data| is compressed in gzip format.
 // |log_metadata|: This will be populated with deserialized LogMetadata proto.
 // |audio_log|, |video_log|: These will be populated with deserialized
 // log data for audio and video streams, respectively.
 bool DeserializeEvents(const char* data,
                        int data_bytes,
                        bool compressed,
                        DeserializedLog* audio_log,
                        DeserializedLog* video_log);
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_