Rename GetNextStreamId to GetNextOutgoingStreamId in QuicSession.

net/quic/p2p/quic_p2p_session.cc

Index: net/quic/p2p/quic_p2p_session.cc
diff --git a/net/quic/p2p/quic_p2p_session.cc b/net/quic/p2p/quic_p2p_session.cc
index c8cc5819c0c4dfcff736591838dd526e8ce4d6eb..866f487f420ee1738945504e561049a993e3bc5d 100644
--- a/net/quic/p2p/quic_p2p_session.cc
+++ b/net/quic/p2p/quic_p2p_session.cc
@@ -57,7 +57,7 @@ QuicP2PStream* QuicP2PSession::CreateIncomingDynamicStream(QuicStreamId id) {
 }
 
 QuicP2PStream* QuicP2PSession::CreateOutgoingDynamicStream() {
-  QuicP2PStream* stream = new QuicP2PStream(GetNextStreamId(), this);
+  QuicP2PStream* stream = new QuicP2PStream(GetNextOutgoingStreamId(), this);
   if (stream) {
     ActivateStream(stream);
   }