Add a PacketOptions struct to webrtc::Transport.

webrtc/test/mock_transport.h

Index: webrtc/test/mock_transport.h
diff --git a/webrtc/test/mock_transport.h b/webrtc/test/mock_transport.h
index ca0880945ab371e1b7790093493004a326d1469c..4937134512f53b76d0b9606398c6d476d7996cb4 100644
--- a/webrtc/test/mock_transport.h
+++ b/webrtc/test/mock_transport.h
@@ -18,7 +18,10 @@ namespace webrtc {
 
 class MockTransport : public Transport {
  public:
-  MOCK_METHOD2(SendRtp, bool(const uint8_t* data, size_t len));
+  MOCK_METHOD3(SendRtp,
+               bool(const uint8_t* data,
+                    size_t len,
+                    const PacketOptions& options));
   MOCK_METHOD2(SendRtcp, bool(const uint8_t* data, size_t len));
 };
 }  // namespace webrtc