Add a new method to QuicSpdySession

net/quic/quic_chromium_client_session.h

Index: net/quic/quic_chromium_client_session.h
diff --git a/net/quic/quic_chromium_client_session.h b/net/quic/quic_chromium_client_session.h
index b2696847a5f9ab13a20e7c1860c0e5b96ed59967..9cae22c02d7d972f53e16b18a676f451dece295d 100644
--- a/net/quic/quic_chromium_client_session.h
+++ b/net/quic/quic_chromium_client_session.h
@@ -144,6 +144,9 @@ class NET_EXPORT_PRIVATE QuicChromiumClientSession
   // Cancels the pending stream creation request.
   void CancelRequest(StreamRequest* request);
 
+  // QuicSpdySession methods:
+  void OnHeadersHeadOfLineBlocking(QuicTime::Delta delta) override;
+
   // QuicSession methods:
   void OnStreamFrame(const QuicStreamFrame& frame) override;
   QuicReliableClientStream* CreateOutgoingDynamicStream() override;