Add a PacketOptions struct to webrtc::Transport.

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

Index: webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
index 8397e632071aa7d0e171628886502785eeaa5a77..73334a8b261f90b6b62cc7282ad55ac315a55491 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
@@ -36,7 +36,9 @@ class LoopBackTransport : public Transport {
                      RtpReceiver* receiver,
                      ReceiveStatistics* receive_statistics);
   void DropEveryNthPacket(int n);
-  bool SendRtp(const uint8_t* data, size_t len) override;
+  bool SendRtp(const uint8_t* data,
+               size_t len,
+               const PacketOptions& options) override;
   bool SendRtcp(const uint8_t* data, size_t len) override;
 
  private: