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 3f0b047ef3d35470b0a9d36058eeb2c8cd443c7f..ff76d34cadda93f967c8f916671f2fb5994c02f1 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
@@ -31,7 +31,9 @@ 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 {