Add a PacketOptions struct to webrtc::Transport.

webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
index 33c3f84236c385d41b86b0e6d8b233394abb5f1a..40f02c7f52346136d32a5fcc8fd1a2f6d55f32c8 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
@@ -199,7 +199,9 @@ class TestTransport : public Transport,
  public:
   TestTransport() {}
 
-  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* data, size_t len) override {