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

chrome/renderer/media/cast_transport_sender_ipc.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 "chrome/renderer/media/cast_transport_sender_ipc.h"
 
 #include "base/callback.h"
 #include "base/id_map.h"
 #include "chrome/common/cast_messages.h"
 #include "chrome/renderer/media/cast_ipc_dispatcher.h"
@@ skipping 48 matching lines @@
 }
 
 void CastTransportSenderIPC::InsertFrame(uint32 ssrc,
     const media::cast::EncodedFrame& frame) {
   Send(new CastHostMsg_InsertFrame(channel_id_, ssrc, frame));
 }
 
 void CastTransportSenderIPC::SendSenderReport(
     uint32 ssrc,
     base::TimeTicks current_time,
-    uint32 current_time_as_rtp_timestamp) {
+    media::cast::RtpTimeTicks current_time_as_rtp_timestamp) {
   Send(new CastHostMsg_SendSenderReport(channel_id_,
                                         ssrc,
                                         current_time,
                                         current_time_as_rtp_timestamp));
 }
 
 void CastTransportSenderIPC::CancelSendingFrames(
     uint32 ssrc, const std::vector<uint32>& frame_ids) {
   Send(new CastHostMsg_CancelSendingFrames(channel_id_,
                                            ssrc,
@@ skipping 112 matching lines @@
   }
 }
 
 void CastTransportSenderIPC::Send(IPC::Message* message) {
   if (CastIPCDispatcher::Get()) {
     CastIPCDispatcher::Get()->Send(message);
   } else {
     delete message;
   }
 }