Add a PacketOptions struct to webrtc::Transport.

webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc

Index: webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
index f75113afe4a839cae4ee18b6b3e147de810d7b89..4fbb17ad56c7545986ef45eb624c774e16a9415e 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
@@ -31,7 +31,9 @@ void LoopBackTransport::DropEveryNthPacket(int n) {
   packet_loss_ = n;
 }
 
-bool LoopBackTransport::SendRtp(const uint8_t* data, size_t len) {
+bool LoopBackTransport::SendRtp(const uint8_t* data,
+                                size_t len,
+                                const PacketOptions& options) {
   count_++;
   if (packet_loss_ > 0) {
     if ((count_ % packet_loss_) == 0) {