[SPDY] Add flag and about:flags entry for SPDY/4 alpha 1

net/spdy/spdy_test_util_spdy3.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_TEST_UTIL_SPDY3_H_
 #define NET_SPDY_SPDY_TEST_UTIL_SPDY3_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
@@ skipping 317 matching lines @@
   scoped_refptr<SSLConfigService> ssl_config_service;
   scoped_ptr<MockClientSocketFactory> socket_factory;
   scoped_ptr<DeterministicMockClientSocketFactory> deterministic_socket_factory;
   scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
   HttpServerPropertiesImpl http_server_properties;
   bool enable_ip_pooling;
   bool enable_compression;
   bool enable_ping;
   bool enable_user_alternate_protocol_ports;
   bool enable_spdy_31;
+  bool enable_spdy_4;
   size_t stream_initial_recv_window_size;
   SpdySession::TimeFunc time_func;
   std::string trusted_spdy_proxy;
   NetLog* net_log;
 };
 
 class SpdyURLRequestContext : public URLRequestContext {
  public:
   SpdyURLRequestContext();
   virtual ~SpdyURLRequestContext();
@@ skipping 36 matching lines @@
   SpdySessionPool* const pool_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdySessionPoolPeer);
 };
 
 }  // namespace test_spdy3
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_TEST_UTIL_SPDY3_H_