Perform ClientHello padding if the field trial is enabled

net/socket/ssl_client_socket.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_SOCKET_SSL_CLIENT_SOCKET_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "net/base/completion_callback.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/socket/ssl_socket.h"
 #include "net/socket/stream_socket.h"
 
 namespace net {
 
 class CertPolicyEnforcer;
 class CertVerifier;
 class ChannelIDService;
 class CTVerifier;
 class HostPortPair;
 class ServerBoundCertService;
 class SSLCertRequestInfo;
 struct SSLConfig;
 class SSLInfo;
+class SSLSocketConfigService;
 class TransportSecurityState;
 class X509Certificate;
 
 // This struct groups together several fields which are used by various
 // classes related to SSLClientSocket.
 struct SSLClientSocketContext {
   SSLClientSocketContext()
       : cert_verifier(NULL),
         channel_id_service(NULL),
         transport_security_state(NULL),
         cert_transparency_verifier(NULL),
-        cert_policy_enforcer(NULL) {}
+        cert_policy_enforcer(NULL),
+        ssl_socket_config_service(NULL) {}
 
   SSLClientSocketContext(CertVerifier* cert_verifier_arg,
                          ChannelIDService* channel_id_service_arg,
                          TransportSecurityState* transport_security_state_arg,
                          CTVerifier* cert_transparency_verifier_arg,
                          CertPolicyEnforcer* cert_policy_enforcer_arg,
-                         const std::string& ssl_session_cache_shard_arg)
+                         const std::string& ssl_session_cache_shard_arg,
+                         SSLSocketConfigService* ssl_socket_config_service_arg)
       : cert_verifier(cert_verifier_arg),
         channel_id_service(channel_id_service_arg),
         transport_security_state(transport_security_state_arg),
         cert_transparency_verifier(cert_transparency_verifier_arg),
         cert_policy_enforcer(cert_policy_enforcer_arg),
-        ssl_session_cache_shard(ssl_session_cache_shard_arg) {}
+        ssl_session_cache_shard(ssl_session_cache_shard_arg),
+        ssl_socket_config_service(ssl_socket_config_service_arg) {}
 
   CertVerifier* cert_verifier;
   ChannelIDService* channel_id_service;
   TransportSecurityState* transport_security_state;
   CTVerifier* cert_transparency_verifier;
   CertPolicyEnforcer* cert_policy_enforcer;
   // ssl_session_cache_shard is an opaque string that identifies a shard of the
   // SSL session cache. SSL sockets with the same ssl_session_cache_shard may
   // resume each other's SSL sessions but we'll never sessions between shards.
   const std::string ssl_session_cache_shard;
+  SSLSocketConfigService* ssl_socket_config_service;
 };
 
 // A client socket that uses SSL as the transport layer.
 //
 // NOTE: The SSL handshake occurs within the Connect method after a TCP
 // connection is established.  If a SSL error occurs during the handshake,
 // Connect will fail.
 //
 class NET_EXPORT SSLClientSocket : public SSLSocket {
  public:
@@ skipping 185 matching lines @@
   bool signed_cert_timestamps_received_;
   // True if a stapled OCSP response was received.
   bool stapled_ocsp_response_received_;
   // Protocol negotiation extension used.
   SSLNegotiationExtension negotiation_extension_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_H_