Implement working tests for the simple QUIC client classes.

net/quic/quic_data_stream.h

 // Copyright 2013 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.
 //
 // The base class for streams which deliver data to/from an application.
 // In each direction, the data on such a stream first contains compressed
 // headers then body data.
 
 #ifndef NET_QUIC_QUIC_DATA_STREAM_H_
 #define NET_QUIC_QUIC_DATA_STREAM_H_
@@ skipping 21 matching lines @@
 }  // namespace test
 
 class IPEndPoint;
 class QuicSession;
 class SSLInfo;
 
 // All this does right now is send data to subclasses via the sequencer.
 class NET_EXPORT_PRIVATE QuicDataStream : public ReliableQuicStream {
  public:
   // Visitor receives callbacks from the stream.
-  class Visitor {
+  class NET_EXPORT_PRIVATE Visitor {
    public:
     Visitor() {}
 
     // Called when the stream is closed.
     virtual void OnClose(QuicDataStream* stream) = 0;
 
    protected:
     virtual ~Visitor() {}
 
    private:
@@ skipping 82 matching lines @@
   // Contains a copy of the decompressed headers until they are consumed
   // via ProcessData or Readv.
   std::string decompressed_headers_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicDataStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_DATA_STREAM_H_