Add an async ReadInitialHeaders method to QuicChromiumClientStream::Handle

net/quic/chromium/bidirectional_stream_quic_impl.h

Index: net/quic/chromium/bidirectional_stream_quic_impl.h
diff --git a/net/quic/chromium/bidirectional_stream_quic_impl.h b/net/quic/chromium/bidirectional_stream_quic_impl.h
index e8f5cfe0ec6857735a09b642a792495c9aa61127..d5d662d50ce7e26838d41d82cb4679ce6041d4f5 100644
--- a/net/quic/chromium/bidirectional_stream_quic_impl.h
+++ b/net/quic/chromium/bidirectional_stream_quic_impl.h
@@ -58,8 +58,6 @@ class NET_EXPORT_PRIVATE BidirectionalStreamQuicImpl
 
  private:
   // QuicChromiumClientStream::Delegate implementation:
-  void OnInitialHeadersAvailable(const SpdyHeaderBlock& headers,
-                                 size_t frame_len) override;
   void OnDataAvailable() override;
   void OnTrailingHeadersAvailable(const SpdyHeaderBlock& headers,
                                   size_t frame_len) override;
@@ -68,6 +66,7 @@ class NET_EXPORT_PRIVATE BidirectionalStreamQuicImpl
 
   void OnStreamReady(int rv);
   void OnSendDataComplete(int rv);
+  void OnReadInitialHeadersComplete(int rv);
   void OnReadDataComplete(int rv);
 
   // Notifies the delegate of an error.
@@ -93,6 +92,8 @@ class NET_EXPORT_PRIVATE BidirectionalStreamQuicImpl
   // received.
   LoadTimingInfo::ConnectTiming connect_timing_;
 
+  SpdyHeaderBlock initial_headers_;
+
   // User provided read buffer for ReadData() response.
   scoped_refptr<IOBuffer> read_buffer_;
   int read_buffer_len_;