Rename QuicDataStream to QuicSpdyStream. No behavior change.

net/tools/quic/quic_server_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 server specific QuicSession subclass.
 
 #ifndef NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_
 #define NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_
 
 #include <set>
@@ skipping 86 matching lines @@
 
   void set_use_stateless_rejects_if_peer_supported(
       bool use_stateless_rejects_if_peer_supported) {
     DCHECK(GetCryptoStream() != nullptr);
     GetCryptoStream()->set_use_stateless_rejects_if_peer_supported(
         use_stateless_rejects_if_peer_supported);
   }
 
  protected:
   // QuicSession methods:
-  QuicDataStream* CreateIncomingDynamicStream(QuicStreamId id) override;
-  QuicDataStream* CreateOutgoingDynamicStream() override;
+  QuicSpdyStream* CreateIncomingDynamicStream(QuicStreamId id) override;
+  QuicSpdyStream* CreateOutgoingDynamicStream() override;
   QuicCryptoServerStream* GetCryptoStream() override;
 
   // If we should create an incoming stream, returns true. Otherwise
   // does error handling, including communicating the error to the client and
   // possibly closing the connection, and returns false.
   virtual bool ShouldCreateIncomingDynamicStream(QuicStreamId id);
 
   virtual QuicCryptoServerStream* CreateQuicCryptoServerStream(
       const QuicCryptoServerConfig* crypto_config);
 
@@ skipping 20 matching lines @@
   // Number of packets sent to the peer, at the time we last sent a SCUP.
   int64 last_scup_packet_number_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicServerSession);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_