Remove SPDY 2.1 support.

net/spdy/spdy_http_stream.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.
 
 #ifndef NET_SPDY_SPDY_HTTP_STREAM_H_
 #define NET_SPDY_SPDY_HTTP_STREAM_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 70 matching lines @@
                                  base::Time response_time,
                                  int status) OVERRIDE;
   virtual void OnDataReceived(const char* buffer, int bytes) OVERRIDE;
   virtual void OnDataSent(int length) OVERRIDE;
   virtual void OnClose(int status) OVERRIDE;
   virtual void set_chunk_callback(ChunkCallback* callback) OVERRIDE;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(SpdyNetworkTransactionSpdy2Test,
                            FlowControlStallResume);
-  FRIEND_TEST_ALL_PREFIXES(SpdyNetworkTransactionSpdy21Test,
-                           FlowControlStallResume);
   FRIEND_TEST_ALL_PREFIXES(SpdyNetworkTransactionSpdy3Test,
                            FlowControlStallResume);
 
   // Call the user callback.
   void DoCallback(int rv);
 
   void ScheduleBufferedReadCallback();
 
   // Returns true if the callback is invoked.
   bool DoBufferedReadCallback();
@@ skipping 43 matching lines @@
   bool direct_;
 
   bool send_last_chunk_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyHttpStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_HTTP_STREAM_H_