Merge GetIncomingDynamicStream and GetDynamicStream into a single GetOrCreateDynamicStream method i…

net/quic/quic_session.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // A QuicSession, which demuxes a single connection to individual streams.
 
 #ifndef NET_QUIC_QUIC_SESSION_H_
 #define NET_QUIC_QUIC_SESSION_H_
 
 #include <map>
@@ skipping 208 matching lines @@
   // Return the reserved crypto stream.
   virtual QuicCryptoStream* GetCryptoStream() = 0;
 
   // Adds 'stream' to the active stream map.
   virtual void ActivateStream(ReliableQuicStream* stream);
 
   // Returns the stream ID for a new outgoing stream, and increments the
   // underlying counter.
   QuicStreamId GetNextOutgoingStreamId();
 
-  ReliableQuicStream* GetIncomingDynamicStream(QuicStreamId stream_id);
-
-  ReliableQuicStream* GetDynamicStream(const QuicStreamId stream_id);
+  // Returns existing stream with id = |stream_id|. If no such stream exists,
+  // and |stream_id| is a peer-created id, then a new stream is created and
+  // returned. However if |stream_id| is a locally-created id and no such stream
+  // exists, the connection is closed.
+  ReliableQuicStream* GetOrCreateDynamicStream(QuicStreamId stream_id);
 
   // This is called after every call other than OnConnectionClose from the
   // QuicConnectionVisitor to allow post-processing once the work has been done.
   // In this case, it deletes streams given that it's safe to do so (no other
   // operations are being done on the streams at this time)
   virtual void PostProcessAfterData();
 
   StreamMap& static_streams() { return static_stream_map_; }
   const StreamMap& static_streams() const { return static_stream_map_; }
 
@@ skipping 93 matching lines @@
 
   // Indicate if there is pending data for the crypto stream.
   bool has_pending_handshake_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SESSION_H_