Remove unused "Disable remote Alt-Svc" QUIC experiment code.

components/network_session_configurator/network_session_configurator.cc

 // Copyright 2016 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 "components/network_session_configurator/network_session_configurator.h"
 
 #include <map>
 #include <unordered_set>
 
 #include "base/metrics/field_trial.h"
@@ skipping 105 matching lines @@
 }
 
 bool ShouldRetryWithoutAltSvcOnQuicErrors(
     const VariationParameters& quic_trial_params) {
   return base::LowerCaseEqualsASCII(
       GetVariationParam(quic_trial_params,
                         "retry_without_alt_svc_on_quic_errors"),
       "true");
 }
 
-bool ShouldQuicEnableAlternativeServicesForDifferentHost(
-    const VariationParameters& quic_trial_params) {
-  return !base::LowerCaseEqualsASCII(
-      GetVariationParam(quic_trial_params,
-                        "enable_alternative_service_with_different_host"),
-      "false");
-}
-
 net::QuicTagVector GetQuicConnectionOptions(
     const VariationParameters& quic_trial_params) {
   VariationParameters::const_iterator it =
       quic_trial_params.find("connection_options");
   if (it == quic_trial_params.end()) {
     return net::QuicTagVector();
   }
 
   return net::ParseQuicConnectionOptions(it->second);
 }
@@ skipping 155 matching lines @@
       quic_trial_group, quic_trial_params, is_quic_force_disabled,
       is_quic_force_enabled);
   params->mark_quic_broken_when_network_blackholes =
       ShouldMarkQuicBrokenWhenNetworkBlackholes(quic_trial_params);
 
   params->enable_server_push_cancellation =
       ShouldEnableServerPushCancelation(quic_trial_params);
 
   params->retry_without_alt_svc_on_quic_errors =
       ShouldRetryWithoutAltSvcOnQuicErrors(quic_trial_params);
-  params->enable_quic_alternative_service_with_different_host =
-      ShouldQuicEnableAlternativeServicesForDifferentHost(quic_trial_params);
 
   if (params->enable_quic) {
     params->quic_delay_tcp_race = ShouldQuicDelayTcpRace(quic_trial_params);
     float load_server_info_timeout_srtt_multiplier =
         GetQuicLoadServerInfoTimeoutSrttMultiplier(quic_trial_params);
     if (load_server_info_timeout_srtt_multiplier != 0) {
       params->quic_load_server_info_timeout_srtt_multiplier =
           load_server_info_timeout_srtt_multiplier;
     }
     params->quic_enable_connection_racing =
@@ skipping 106 matching lines @@
   ConfigureTCPFastOpenParams(tfo_trial_group, params);
 
   std::map<std::string, std::string> proxy_preconnects_trial_params;
   variations::GetVariationParams("NetProxyPreconnects",
                                  &proxy_preconnects_trial_params);
   ConfigureOptimizePreconnectsToProxiesParams(proxy_preconnects_trial_params,
                                               params);
 }
 
 }  // namespace network_session_configurator