Rename QuicDataStream to QuicSpdyStream. No behavior change.

net/quic/quic_session_test.cc

Index: net/quic/quic_session_test.cc
diff --git a/net/quic/quic_session_test.cc b/net/quic/quic_session_test.cc
index 6f575144e081e7cb267940f6c8210dfbf2edc324..912928fdf92f31c49c113b30772d4bcb63e530ab 100644
--- a/net/quic/quic_session_test.cc
+++ b/net/quic/quic_session_test.cc
@@ -19,10 +19,10 @@
 #include "net/quic/reliable_quic_stream.h"
 #include "net/quic/test_tools/quic_config_peer.h"
 #include "net/quic/test_tools/quic_connection_peer.h"
-#include "net/quic/test_tools/quic_data_stream_peer.h"
 #include "net/quic/test_tools/quic_flow_controller_peer.h"
 #include "net/quic/test_tools/quic_session_peer.h"
 #include "net/quic/test_tools/quic_spdy_session_peer.h"
+#include "net/quic/test_tools/quic_spdy_stream_peer.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "net/quic/test_tools/reliable_quic_stream_peer.h"
 #include "net/spdy/spdy_framer.h"
@@ -83,10 +83,10 @@ class TestHeadersStream : public QuicHeadersStream {
   MOCK_METHOD0(OnCanWrite, void());
 };
 
-class TestStream : public QuicDataStream {
+class TestStream : public QuicSpdyStream {
  public:
   TestStream(QuicStreamId id, QuicSpdySession* session)
-      : QuicDataStream(id, session) {}
+      : QuicSpdyStream(id, session) {}
 
   using ReliableQuicStream::CloseWriteSide;