QUIC - refactor in preparation for two streams per HTTP transaction.

net/quic/core/quic_stream.h

Index: net/quic/core/quic_stream.h
diff --git a/net/quic/core/quic_stream.h b/net/quic/core/quic_stream.h
index 3b3ca6ad0d6358670df7c6a92ad46f8dd1616a23..5e5cfb0ccb1ef15cf3b6b162117b667153f3e495 100644
--- a/net/quic/core/quic_stream.h
+++ b/net/quic/core/quic_stream.h
@@ -179,7 +179,6 @@ class QUIC_EXPORT_PRIVATE QuicStream {
   // Get peer IP of the lastest packet which connection is dealing/delt with.
   virtual const QuicSocketAddress& PeerAddressOfLatestPacket() const;
 
- protected:
   // Sends as much of 'data' to the connection as the connection will consume,
   // and then buffers any remaining data in queued_data_.
   // If fin is true: if it is immediately passed on to the session,
@@ -189,6 +188,7 @@ class QUIC_EXPORT_PRIVATE QuicStream {
       bool fin,
       QuicReferenceCountedPointer<QuicAckListenerInterface> ack_listener);
 
+ protected:
   // Sends as many bytes in the first |count| buffers of |iov| to the connection
   // as the connection will consume.
   // If |ack_listener| is provided, then it will be notified once all