Break out the basic reliable QUIC stream functionality from the

net/tools/quic/test_tools/quic_test_client.h

Index: net/tools/quic/test_tools/quic_test_client.h
diff --git a/net/tools/quic/test_tools/quic_test_client.h b/net/tools/quic/test_tools/quic_test_client.h
index 6e033f4a3d5e68cd6e0768ff776d60068ca1ff86..e67a2a159bbde85303c70558528c1d5d88302766 100644
--- a/net/tools/quic/test_tools/quic_test_client.h
+++ b/net/tools/quic/test_tools/quic_test_client.h
@@ -26,7 +26,7 @@ namespace test {
 class HTTPMessage;
 
 // A toy QUIC client used for testing.
-class QuicTestClient :  public ReliableQuicStream::Visitor {
+class QuicTestClient :  public QuicDataStream::Visitor {
  public:
   QuicTestClient(IPEndPoint server_address, const string& server_hostname,
                  const QuicVersionVector& supported_versions);
@@ -81,8 +81,8 @@ class QuicTestClient :  public ReliableQuicStream::Visitor {
   bool buffer_body() const { return buffer_body_; }
   void set_buffer_body(bool buffer_body) { buffer_body_ = buffer_body; }
 
-  // From ReliableQuicStream::Visitor
-  virtual void OnClose(ReliableQuicStream* stream) OVERRIDE;
+  // From QuicDataStream::Visitor
+  virtual void OnClose(QuicDataStream* stream) OVERRIDE;
 
   // Configures client_ to take ownership of and use the writer.
   // Must be called before initial connect.