QUIC - expand server push test coverage and fix recent regression.

net/quic/quic_chromium_client_stream.h

Index: net/quic/quic_chromium_client_stream.h
diff --git a/net/quic/quic_chromium_client_stream.h b/net/quic/quic_chromium_client_stream.h
index f7b000c6f384bf95965233b4e9817b4e7fe8cf32..5bffe3a58382882952ad6c49db1a99624f9f886b 100644
--- a/net/quic/quic_chromium_client_stream.h
+++ b/net/quic/quic_chromium_client_stream.h
@@ -73,6 +73,9 @@ class NET_EXPORT_PRIVATE QuicChromiumClientStream : public QuicSpdyStream {
                                  const QuicHeaderList& header_list) override;
   void OnPromiseHeadersComplete(QuicStreamId promised_stream_id,
                                 size_t frame_len) override;
+  void OnPromiseHeaderList(QuicStreamId promised_id,
+                           size_t frame_len,
+                           const QuicHeaderList& header_list) override;
   void OnDataAvailable() override;
   void OnClose() override;
   void OnCanWrite() override;