Unwind the SSL connection holdback experiment and remove related code

net/http/http_proxy_client_socket_pool_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 "net/http/http_proxy_client_socket_pool.h"
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 159 matching lines @@
                          NULL /* channel_id_store */,
                          NULL /* transport_security_state */,
                          NULL /* cert_transparency_verifier */,
                          NULL /* cert_policy_enforcer */,
                          std::string() /* ssl_session_cache_shard */,
                          session_deps_.deterministic_socket_factory.get(),
                          &transport_socket_pool_,
                          NULL,
                          NULL,
                          session_deps_.ssl_config_service.get(),
-                         false,
                          BoundNetLog().net_log()),
         session_(CreateNetworkSession()),
         http_proxy_histograms_("HttpProxyUnitTest"),
         spdy_util_(GetParam().protocol),
         pool_(kMaxSockets,
               kMaxSocketsPerGroup,
               &http_proxy_histograms_,
               &transport_socket_pool_,
               &ssl_socket_pool_,
               NULL) {}
@@ skipping 650 matching lines @@
     EXPECT_TRUE(headers->IsRedirect(&location));
     EXPECT_EQ(location, redirectTarget);
   }
 }
 
 // It would be nice to also test the timeouts in HttpProxyClientSocketPool.
 
 }  // namespace
 
 }  // namespace net