Add a PacketOptions struct to webrtc::Transport.

webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
index 9652a53487da8edd8a6f278150dc32b9b1edc6c3..c9a5338afc8d42e65ae0fd1d06f844ed2d8a80e0 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
@@ -32,7 +32,9 @@ class TestTransport : public Transport {
     rtcp_receiver_(rtcp_receiver) {
   }
 
-  bool SendRtp(const uint8_t* /*data*/, size_t /*len*/) override {
+  bool SendRtp(const uint8_t* /*data*/,
+               size_t /*len*/,
+               const PacketOptions& options) override {
     return false;
   }
   bool SendRtcp(const uint8_t* packet, size_t packetLength) override {