Unwind the SSL connection holdback experiment and remove related code

net/http/http_network_transaction_unittest.cc

 // 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.
 
 #include "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 583 matching lines @@
                           NULL,
                           NULL,
                           NULL,
                           NULL,
                           std::string(),
                           NULL,
                           NULL,
                           NULL,
                           NULL,
                           NULL,
-                          false,
                           NULL) {
 }
 
 //-----------------------------------------------------------------------------
 
 // Helper functions for validating that AuthChallengeInfo's are correctly
 // configured for common cases.
 bool CheckBasicServerAuth(const AuthChallengeInfo* auth_challenge) {
   if (!auth_challenge)
     return false;
@@ skipping 13167 matching lines @@
   ASSERT_TRUE(response);
   ASSERT_TRUE(response->headers.get());
 
   EXPECT_EQ(101, response->headers->response_code());
 
   trans.reset();
   session->CloseAllConnections();
 }
 
 }  // namespace net