Cast: Avoid retransmit if we sent the same packet recently (less than RTT)

media/cast/test/cast_benchmarks.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.
 //
 // This program benchmarks the theoretical throughput of the cast library.
 // It runs using a fake clock, simulated network and fake codecs. This allows
 // tests to run much faster than real time.
 // To run the program, run:
 // $ ./out/Release/cast_benchmarks | tee benchmarkoutput.asc
 // This may take a while, when it is done, you can view the data with
@@ skipping 194 matching lines @@
                                       rtp_timestamp,
                                       dlrr,
                                       sending_ssrc,
                                       c_name);
   }
 
   // Retransmission request.
   virtual void ResendPackets(
       bool is_audio,
       const MissingFramesAndPacketsMap& missing_packets,
-      bool cancel_rtx_if_not_in_list) OVERRIDE {
+      bool cancel_rtx_if_not_in_list,
+      base::TimeDelta dedupe_window) OVERRIDE {
     transport_->ResendPackets(
-        is_audio, missing_packets, cancel_rtx_if_not_in_list);
+        is_audio, missing_packets, cancel_rtx_if_not_in_list, dedupe_window);
   }
 
  private:
   scoped_ptr<transport::CastTransportSender> transport_;
   uint64* encoded_video_bytes_;
   uint64* encoded_audio_bytes_;
 };
 
 struct MeasuringPoint {
   MeasuringPoint(double bitrate_, double latency_, double percent_packet_drop_)
@@ skipping 533 matching lines @@
   media::cast::CastBenchmark benchmark;
   if (getenv("PROFILE_FILE")) {
     std::string profile_file(getenv("PROFILE_FILE"));
     base::debug::StartProfiling(profile_file);
     benchmark.Run();
     base::debug::StopProfiling();
   } else {
     benchmark.Run();
   }
 }