Disable SPDY/3.1.

components/network_session_configurator/network_session_configurator.h

 // 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.
 
 // Helper functions to configure HttpNetworkSession::Params based on field
 // trials, policy, and command line.
 
 #ifndef COMPONENTS_NETWORK_SESSION_CONFIGURATOR_NETWORK_SESSION_CONFIGURATOR_H_
 #define COMPONENTS_NETWORK_SESSION_CONFIGURATOR_NETWORK_SESSION_CONFIGURATOR_H_
 
 #include <string>
 
 #include "base/command_line.h"
 #include "net/http/http_network_session.h"
 
 namespace network_session_configurator {
 
 // Configure |params| based on field trials and policy arguments.
-void ParseFieldTrials(bool is_spdy_allowed_by_policy,
-                      bool is_quic_allowed_by_policy,
+void ParseFieldTrials(bool is_quic_allowed_by_policy,
                       const std::string& quic_user_agent_id,
                       net::HttpNetworkSession::Params* params);
 
 // Configure |params| based on field trials, policy arguments,
 // and command line.
-void ParseFieldTrialsAndCommandLine(bool is_spdy_allowed_by_policy,
-                                    bool is_quic_allowed_by_policy,
+void ParseFieldTrialsAndCommandLine(bool is_quic_allowed_by_policy,
                                     const std::string& quic_user_agent_id,
                                     net::HttpNetworkSession::Params* params);
 
 }  // namespace network_session_configurator
 
 #endif  // COMPONENTS_NETWORK_SESSION_CONFIGURATOR_NETWORK_SESSION_CONFIGURATOR_H_