Revert of Remove reference counting from HttpNetworkSession.

net/http/http_network_transaction_ssl_unittest.cc

 // 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.
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "net/base/net_util.h"
@@ skipping 109 matching lines @@
   mock_socket_factory_.AddSocketDataProvider(&data2);
 
   // |ssl_data3| contains the handshake result for a TLS 1.0
   // handshake which will be attempted after the TLS 1.1
   // handshake fails.
   SSLSocketDataProvider ssl_data3(ASYNC, ERR_SSL_PROTOCOL_ERROR);
   mock_socket_factory_.AddSSLSocketDataProvider(&ssl_data3);
   StaticSocketDataProvider data3(NULL, 0, NULL, 0);
   mock_socket_factory_.AddSocketDataProvider(&data3);
 
-  scoped_ptr<HttpNetworkSession> session(
+  scoped_refptr<HttpNetworkSession> session(
       new HttpNetworkSession(session_params_));
   scoped_ptr<HttpNetworkTransaction> trans(
       new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
 
   TestCompletionCallback callback;
   // This will consume |ssl_data1|, |ssl_data2| and |ssl_data3|.
   int rv = callback.GetResult(
       trans->Start(GetRequestInfo("https://www.paypal.com/"),
                    callback.callback(), BoundNetLog()));
   EXPECT_EQ(ERR_SSL_PROTOCOL_ERROR, rv);
 
   SocketDataProviderArray<SocketDataProvider>& mock_data =
       mock_socket_factory_.mock_data();
   // Confirms that |ssl_data1|, |ssl_data2| and |ssl_data3| are consumed.
   EXPECT_EQ(3u, mock_data.next_index());
 
   SSLConfig& ssl_config = GetServerSSLConfig(trans.get());
   // |version_max| fallbacks to TLS 1.0.
   EXPECT_EQ(SSL_PROTOCOL_VERSION_TLS1, ssl_config.version_max);
   EXPECT_TRUE(ssl_config.version_fallback);
 }
 
 }  // namespace net