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

media/cast/net/rtp/rtp_parser_unittest.cc

 // 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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/rand_util.h"
 #include "media/cast/net/rtp/rtp_defines.h"
@@ skipping 14 matching lines @@
 class RtpParserTest : public ::testing::Test {
  protected:
   RtpParserTest() : rtp_parser_(kTestSsrc, kTestPayloadType) {
     packet_builder_.SetSsrc(kTestSsrc);
     packet_builder_.SetSequenceNumber(kTestSeqNum);
     packet_builder_.SetTimestamp(kTestTimestamp);
     packet_builder_.SetPayloadType(kTestPayloadType);
     packet_builder_.SetMarkerBit(true);  // Only one packet.
     cast_header_.sender_ssrc = kTestSsrc;
     cast_header_.sequence_number = kTestSeqNum;
-    cast_header_.rtp_timestamp = kTestTimestamp;
+    cast_header_.rtp_timestamp = RtpTimeTicks().Expand(kTestTimestamp);
     cast_header_.payload_type = kTestPayloadType;
     cast_header_.marker = true;
   }
 
   ~RtpParserTest() override {}
 
   void ExpectParsesPacket() {
     RtpCastHeader parsed_header;
     const uint8_t* payload = NULL;
     size_t payload_size = static_cast<size_t>(-1);
@@ skipping 145 matching lines @@
     packet_builder_.SetFrameIds(frame_id, reference_frame_id);
     packet_builder_.BuildHeader(packet_, kPacketLength);
     cast_header_.frame_id = frame_id;
     cast_header_.reference_frame_id = reference_frame_id;
     ExpectParsesPacket();
   }
 }
 
 }  //  namespace cast
 }  //  namespace media