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

media/cast/rtcp/rtcp_unittest.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 <stdint.h>
 
 #include "base/test/simple_test_tick_clock.h"
 #include "media/cast/cast_defines.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/rtcp/mock_rtcp_receiver_feedback.h"
@@ skipping 86 matching lines @@
     rtcp_->IncomingRtcpPacket(&packet->data[0], packet->data.size());
     return true;
   }
 
   virtual bool SendPackets(
       const transport::SendPacketVector& packets) OVERRIDE {
     return false;
   }
 
   virtual bool ResendPackets(
-      const transport::SendPacketVector& packets) OVERRIDE {
+      const transport::SendPacketVector& packets,
+      base::TimeDelta dedupe_window) OVERRIDE {
     return false;
   }
 
   virtual void CancelSendingPacket(
       const transport::PacketKey& packet_key) OVERRIDE {
   }
 
  private:
   bool drop_packets_;
   bool short_delay_;
@@ skipping 420 matching lines @@
   base::TimeTicks out_3 = ConvertNtpToTimeTicks(ntp_seconds_3, ntp_fraction_3);
   EXPECT_EQ(input_time, out_3);  // Verify inverse.
 
   // Verify delta.
   EXPECT_EQ((out_3 - out_2), time_delta);
   EXPECT_NEAR((ntp_fraction_3 - ntp_fraction_2), 0xffffffff / 2, 1);
 }
 
 }  // namespace cast
 }  // namespace media