Add a new prefer_aes finch options for QUIC.

net/quic/quic_stream_factory.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_STREAM_FACTORY_H_
 #define NET_QUIC_QUIC_STREAM_FACTORY_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 97 matching lines @@
       size_t max_packet_length,
       const std::string& user_agent_id,
       const QuicVersionVector& supported_versions,
       bool enable_port_selection,
       bool always_require_handshake_confirmation,
       bool disable_connection_pooling,
       float load_server_info_timeout_srtt_multiplier,
       bool enable_connection_racing,
       bool enable_non_blocking_io,
       bool disable_disk_cache,
+      bool prefer_aes,
       int max_number_of_lossy_connections,
       float packet_loss_threshold,
       int socket_receive_buffer_size,
       const QuicTagVector& connection_options);
   ~QuicStreamFactory() override;
 
   // Creates a new QuicHttpStream to |host_port_pair| which will be
   // owned by |request|. |is_https| specifies if the protocol is https or not.
   // If a matching session already exists, this method will return OK.  If no
   // matching session exists, this will return ERR_IO_PENDING and will invoke
@@ skipping 210 matching lines @@
   // INCHOATE_HELLO and another connection that sends CHLO after loading server
   // config from the disk cache.
   bool enable_connection_racing_;
 
   // Set if experimental non-blocking IO should be used on windows sockets.
   bool enable_non_blocking_io_;
 
   // Set if we do not want to load server config from the disk cache.
   bool disable_disk_cache_;
 
+  // Set if AES-GCM should be preferred, even if there is no hardware support.
+  bool prefer_aes_;
+
   // Set if we want to disable QUIC when there is high packet loss rate.
   // Specifies the maximum number of connections with high packet loss in a row
   // after which QUIC will be disabled.
   int max_number_of_lossy_connections_;
   // Specifies packet loss rate in fraction after which a connection is closed
   // and is considered as a lossy connection.
   float packet_loss_threshold_;
   // Count number of lossy connections by port.
   std::map<uint16, int> number_of_lossy_connections_;
 
@@ skipping 18 matching lines @@
   base::TaskRunner* task_runner_;
 
   base::WeakPtrFactory<QuicStreamFactory> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_STREAM_FACTORY_H_