Cast:Adding cast_transport_config and cleaning up

media/cast/rtcp/rtcp_sender.cc

Index: media/cast/rtcp/rtcp_sender.cc
diff --git a/media/cast/rtcp/rtcp_sender.cc b/media/cast/rtcp/rtcp_sender.cc
index 41d5d5cc59aa2a0f025fa496184b6ab792ff75d6..9efbb56ba77ab2fad10bfb7a4bf4154eb93457a9 100644
--- a/media/cast/rtcp/rtcp_sender.cc
+++ b/media/cast/rtcp/rtcp_sender.cc
@@ -195,7 +195,7 @@ void RtcpSender::BuildRR(const transport::RtcpReportBlock* report_block,
 
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 8);
   big_endian_writer.WriteU8(0x80 + (report_block ? 1 : 0));
-  big_endian_writer.WriteU8(kPacketTypeReceiverReport);
+  big_endian_writer.WriteU8(transport::kPacketTypeReceiverReport);
   big_endian_writer.WriteU16(number_of_rows);
   big_endian_writer.WriteU32(ssrc_);
 
@@ -244,7 +244,7 @@ void RtcpSender::BuildSdec(std::vector<uint8>* packet) const {
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 10);
   // We always need to add one SDES CNAME.
   big_endian_writer.WriteU8(0x80 + 1);
-  big_endian_writer.WriteU8(kPacketTypeSdes);
+  big_endian_writer.WriteU8(transport::kPacketTypeSdes);
 
   // Handle SDES length later on.
   uint32 sdes_length_position = static_cast<uint32>(start_size) + 3;
@@ -286,7 +286,7 @@ void RtcpSender::BuildPli(uint32 remote_ssrc,
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 12);
   uint8 FMT = 1;  // Picture loss indicator.
   big_endian_writer.WriteU8(0x80 + FMT);
-  big_endian_writer.WriteU8(kPacketTypePayloadSpecific);
+  big_endian_writer.WriteU8(transport::kPacketTypePayloadSpecific);
   big_endian_writer.WriteU16(2);  // Used fixed length of 2.
   big_endian_writer.WriteU32(ssrc_);  // Add our own SSRC.
   big_endian_writer.WriteU32(remote_ssrc);  // Add the remote SSRC.
@@ -312,7 +312,7 @@ void RtcpSender::BuildRpsi(const RtcpRpsiMessage* rpsi,
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 24);
   uint8 FMT = 3;  // Reference Picture Selection Indication.
   big_endian_writer.WriteU8(0x80 + FMT);
-  big_endian_writer.WriteU8(kPacketTypePayloadSpecific);
+  big_endian_writer.WriteU8(transport::kPacketTypePayloadSpecific);
 
   // Calculate length.
   uint32 bits_required = 7;
@@ -369,7 +369,7 @@ void RtcpSender::BuildRemb(const RtcpRembMessage* remb,
   // Add application layer feedback.
   uint8 FMT = 15;
   big_endian_writer.WriteU8(0x80 + FMT);
-  big_endian_writer.WriteU8(kPacketTypePayloadSpecific);
+  big_endian_writer.WriteU8(transport::kPacketTypePayloadSpecific);
   big_endian_writer.WriteU8(0);
   big_endian_writer.WriteU8(static_cast<uint8>(remb->remb_ssrcs.size() + 4));
   big_endian_writer.WriteU32(ssrc_);  // Add our own SSRC.
@@ -410,7 +410,7 @@ void RtcpSender::BuildNack(const RtcpNackMessage* nack,
 
   uint8 FMT = 1;
   big_endian_writer.WriteU8(0x80 + FMT);
-  big_endian_writer.WriteU8(kPacketTypeGenericRtpFeedback);
+  big_endian_writer.WriteU8(transport::kPacketTypeGenericRtpFeedback);
   big_endian_writer.WriteU8(0);
   size_t nack_size_pos = start_size + 3;
   big_endian_writer.WriteU8(3);
@@ -462,7 +462,7 @@ void RtcpSender::BuildBye(std::vector<uint8>* packet) const {
 
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 8);
   big_endian_writer.WriteU8(0x80 + 1);
-  big_endian_writer.WriteU8(kPacketTypeBye);
+  big_endian_writer.WriteU8(transport::kPacketTypeBye);
   big_endian_writer.WriteU16(1);  // Length.
   big_endian_writer.WriteU32(ssrc_);  // Add our own SSRC.
 }
@@ -478,7 +478,7 @@ void RtcpSender::BuildRrtr(const RtcpReceiverReferenceTimeReport* rrtr,
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 20);
 
   big_endian_writer.WriteU8(0x80);
-  big_endian_writer.WriteU8(kPacketTypeXr);
+  big_endian_writer.WriteU8(transport::kPacketTypeXr);
   big_endian_writer.WriteU16(4);  // Length.
   big_endian_writer.WriteU32(ssrc_);  // Add our own SSRC.
   big_endian_writer.WriteU8(4);  // Add block type.
@@ -501,7 +501,7 @@ void RtcpSender::BuildCast(const RtcpCastMessage* cast,
   net::BigEndianWriter big_endian_writer(&((*packet)[start_size]), 20);
   uint8 FMT = 15;  // Application layer feedback.
   big_endian_writer.WriteU8(0x80 + FMT);
-  big_endian_writer.WriteU8(kPacketTypePayloadSpecific);
+  big_endian_writer.WriteU8(transport::kPacketTypePayloadSpecific);
   big_endian_writer.WriteU8(0);
   size_t cast_size_pos = start_size + 3; // Save length position.
   big_endian_writer.WriteU8(4);
@@ -588,7 +588,7 @@ void RtcpSender::BuildReceiverLog(RtcpReceiverLogMessage* receiver_log_message,
   net::BigEndianWriter big_endian_writer(&((*packet)[packet_start_size]),
                                          rtcp_log_size);
   big_endian_writer.WriteU8(0x80 + kReceiverLogSubtype);
-  big_endian_writer.WriteU8(kPacketTypeApplicationDefined);
+  big_endian_writer.WriteU8(transport::kPacketTypeApplicationDefined);
   big_endian_writer.WriteU16(static_cast<uint16>(2 + 2 * number_of_frames +
                              total_number_of_messages_to_send));
   big_endian_writer.WriteU32(ssrc_);  // Add our own SSRC.