Unwind the SSL connection holdback experiment and remove related code

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 TransportSecurityState;
 class X509Certificate;
 
 // This struct groups together several fields which are used by various
 // classes related to SSLClientSocket.
 struct SSLClientSocketContext {
   SSLClientSocketContext()
@@ skipping 53 matching lines @@
   enum SSLNegotiationExtension {
     kExtensionUnknown,
     kExtensionALPN,
     kExtensionNPN,
   };
 
   // StreamSocket:
   bool WasNpnNegotiated() const override;
   NextProto GetNegotiatedProtocol() const override;
 
-  // Computes a unique key string for the SSL session cache.
-  virtual std::string GetSessionCacheKey() const = 0;
-
-  // Returns true if there is a cache entry in the SSL session cache
-  // for the cache key of the SSL socket.
-  //
-  // The cache key consists of a host and port concatenated with a session
-  // cache shard. These two strings are passed to the constructor of most
-  // subclasses of SSLClientSocket.
-  virtual bool InSessionCache() const = 0;
-
-  // Sets |callback| to be run when the handshake has fully completed.
-  // For example, in the case of False Start, Connect() will return
-  // early, before the peer's TLS Finished message has been verified,
-  // in order to allow the caller to call Write() and send application
-  // data with the client's Finished message.
-  // In such situations, |callback| will be invoked sometime after
-  // Connect() - either during a Write() or Read() call, and before
-  // invoking the Read() or Write() callback.
-  // Otherwise, during a traditional TLS connection (i.e. no False
-  // Start), this will be called right before the Connect() callback
-  // is called.
-  //
-  // Note that it's not valid to mutate this socket during such
-  // callbacks, including deleting the socket.
-  //
-  // TODO(mshelley): Provide additional details about whether or not
-  // the handshake actually succeeded or not. This can be inferred
-  // from the result to Connect()/Read()/Write(), but may be useful
-  // to inform here as well.
-  virtual void SetHandshakeCompletionCallback(
-      const base::Closure& callback) = 0;
-
   // Gets the SSL CertificateRequest info of the socket after Connect failed
   // with ERR_SSL_CLIENT_AUTH_CERT_NEEDED.
   virtual void GetSSLCertRequestInfo(
       SSLCertRequestInfo* cert_request_info) = 0;
 
   // Get the application level protocol that we negotiated with the server.
   // *proto is set to the resulting protocol (n.b. that the string may have
   // embedded NULs).
   //   kNextProtoUnsupported: *proto is cleared.
   //   kNextProtoNegotiated:  *proto is set to the negotiated protocol.
@@ skipping 116 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_