Rename QuicDataStream to QuicSpdyStream. No behavior change.

net/tools/quic/quic_server_session.cc

 // 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.
 
 #include "net/tools/quic/quic_server_session.h"
 
 #include "base/logging.h"
 #include "net/quic/proto/cached_network_parameters.pb.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flags.h"
@@ skipping 178 matching lines @@
   }
 
   if (id % 2 == 0) {
     DVLOG(1) << "Invalid incoming even stream_id:" << id;
     connection()->SendConnectionClose(QUIC_INVALID_STREAM_ID);
     return false;
   }
   return true;
 }
 
-QuicDataStream* QuicServerSession::CreateIncomingDynamicStream(
+QuicSpdyStream* QuicServerSession::CreateIncomingDynamicStream(
     QuicStreamId id) {
   if (!ShouldCreateIncomingDynamicStream(id)) {
     return nullptr;
   }
 
   return new QuicSpdyServerStream(id, this);
 }
 
-QuicDataStream* QuicServerSession::CreateOutgoingDynamicStream() {
+QuicSpdyStream* QuicServerSession::CreateOutgoingDynamicStream() {
   DLOG(ERROR) << "Server push not yet supported";
   return nullptr;
 }
 
 QuicCryptoServerStream* QuicServerSession::GetCryptoStream() {
   return crypto_stream_.get();
 }
 
 }  // namespace tools
 }  // namespace net