net: False Start only for NPN capable servers.

net/socket/ssl_client_socket_nss.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_NSS_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_
 #pragma once
 
 #include <certt.h>
 #include <keyt.h>
@@ skipping 129 matching lines @@
   // takes ownership of the |*cert| and |*key|.
   int ImportDBCertAndKey(CERTCertificate** cert, SECKEYPrivateKey** key);
   int DoGetDBCertComplete(int result);
   int DoVerifyDNSSEC(int result);
   int DoVerifyCert(int result);
   int DoVerifyCertComplete(int result);
   int DoPayloadRead();
   int DoPayloadWrite();
   void LogConnectionTypeMetrics() const;
   void SaveSSLHostInfo();
-  void UncorkAfterTimeout();

[wtc, 2012/04/17 22:46:09]

It seems that the corking code is still useful to force
false-start-incompatible implementations to fail more
deterministically.

 
   bool DoTransportIO();
   int BufferSend(void);
   void BufferSendComplete(int result);
   int BufferRecv(void);
   void BufferRecvComplete(int result);
 
   // Handles an NSS error generated while handshaking or performing IO.
   // Returns a network error code mapped from the original NSS error.
   int HandleNSSError(PRErrorCode error, bool handshake_error);
@@ skipping 43 matching lines @@
                                      unsigned int* proto_out_len,
                                      unsigned int proto_max_len);
 
   // The following methods are for debugging bug 65948. Will remove this code
   // after fixing bug 65948.
   void EnsureThreadIdAssigned() const;
   bool CalledOnValidThread() const;
 
   bool transport_send_busy_;
   bool transport_recv_busy_;
-  // corked_ is true if we are currently suspending writes to the network. This
-  // is named after the similar kernel flag, TCP_CORK.
-  bool corked_;
-  // uncork_timer_ is used to limit the amount of time that we'll delay the
-  // Finished message while waiting for a Write.
-  base::OneShotTimer<SSLClientSocketNSS> uncork_timer_;
   scoped_refptr<IOBuffer> recv_buffer_;
 
   scoped_ptr<ClientSocketHandle> transport_;
   HostPortPair host_and_port_;
   SSLConfig ssl_config_;
 
   CompletionCallback user_connect_callback_;
   CompletionCallback user_read_callback_;
   CompletionCallback user_write_callback_;
 
@@ skipping 80 matching lines @@
   // Added the following code Debugging in release mode.
   mutable base::Lock lock_;
   // This is mutable so that CalledOnValidThread can set it.
   // It's guarded by |lock_|.
   mutable base::PlatformThreadId valid_thread_id_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_