Merge QpackEncoderStreamSender::Delegate and QpackDecoderStreamSender::Delegate
into a single delegate interface called QpackUnidirectionalStreamSenderDelegate. The new interface is inherited by QpackSendStream.

Before this change, Qpack encoder/decoder stream sender will call the spdy session and the session is responsible for finding the correct stream and write instructions.
Now Qpack encoder/decoder stream sender can access Qpack streams to write instructions directly.

gfe-relnote: v99 only, not used in prod.
PiperOrigin-RevId: 254247942
Change-Id: Iec378d412396d12d51b63843d45630b09b301b69
diff --git a/quic/core/qpack/qpack_encoder_test.cc b/quic/core/qpack/qpack_encoder_test.cc
index 8200e14..add6a74 100644
--- a/quic/core/qpack/qpack_encoder_test.cc
+++ b/quic/core/qpack/qpack_encoder_test.cc
@@ -8,6 +8,7 @@
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
+#include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
 
@@ -31,7 +32,7 @@
   }
 
   StrictMock<MockDecoderStreamErrorDelegate> decoder_stream_error_delegate_;
-  NoopEncoderStreamSenderDelegate encoder_stream_sender_delegate_;
+  NoopQpackStreamSenderDelegate encoder_stream_sender_delegate_;
 
  private:
   const FragmentMode fragment_mode_;