Rename GetNextStreamId to GetNextOutgoingStreamId in QuicSession.

net/quic/quic_session.h

Index: net/quic/quic_session.h
diff --git a/net/quic/quic_session.h b/net/quic/quic_session.h
index 4ef7389ca960edbf4795f216ecd4fa31b30e7145..bfcce4b4edea2a15fb2f265d5677391e9d21677a 100644
--- a/net/quic/quic_session.h
+++ b/net/quic/quic_session.h
@@ -221,8 +221,9 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
   // Adds 'stream' to the active stream map.
   virtual void ActivateStream(ReliableQuicStream* stream);
 
-  // Returns the stream id for a new stream.
-  QuicStreamId GetNextStreamId();
+  // Returns the stream ID for a new outgoing stream, and increments the
+  // underlying counter.
+  QuicStreamId GetNextOutgoingStreamId();
 
   ReliableQuicStream* GetIncomingDynamicStream(QuicStreamId stream_id);
 
@@ -307,7 +308,9 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
 
   // Map from StreamId to pointers to streams that are owned by the caller.
   StreamMap dynamic_stream_map_;
-  QuicStreamId next_stream_id_;
+
+  // The ID to use for the next outgoing stream.
+  QuicStreamId next_outgoing_stream_id_;
 
   // Set of stream ids that are less than the largest stream id that has been
   // received, but are nonetheless available to be created.