Cast:Adding signaling and infrastructure for adjustable delay

media/cast/rtcp/test_rtcp_packet_builder.cc

Index: media/cast/rtcp/test_rtcp_packet_builder.cc
diff --git a/media/cast/rtcp/test_rtcp_packet_builder.cc b/media/cast/rtcp/test_rtcp_packet_builder.cc
index 28f39341598ec7b51f41933501548b182ff5beba..8688bd6820fd59f4081f1303ec38f0ea6f452936 100644
--- a/media/cast/rtcp/test_rtcp_packet_builder.cc
+++ b/media/cast/rtcp/test_rtcp_packet_builder.cc
@@ -187,7 +187,9 @@ void TestRtcpPacketBuilder::AddRemb(uint32 sender_ssrc, uint32 media_ssrc) {
   big_endian_writer_.WriteU32(media_ssrc);
 }
 
-void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc, uint32 media_ssrc) {
+void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc,
+                                    uint32 media_ssrc,
+                                    uint16 target_delay_ms) {
   AddRtcpHeader(206, 15);
   big_endian_writer_.WriteU32(sender_ssrc);
   big_endian_writer_.WriteU32(media_ssrc);
@@ -196,8 +198,8 @@ void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc, uint32 media_ssrc) {
   big_endian_writer_.WriteU8('S');
   big_endian_writer_.WriteU8('T');
   big_endian_writer_.WriteU8(kAckFrameId);
-  big_endian_writer_.WriteU8(3);   // Loss fields.
-  big_endian_writer_.WriteU16(0);  // Reserved.
+  big_endian_writer_.WriteU8(3);     // Loss fields.
+  big_endian_writer_.WriteU16(target_delay_ms);
   big_endian_writer_.WriteU8(kLostFrameId);
   big_endian_writer_.WriteU16(kRtcpCastAllPacketsLost);
   big_endian_writer_.WriteU8(0);  // Lost packet id mask.