Implement a 15 connection per proxy server limit.

net/spdy/spdy_network_transaction.cc

 // Copyright (c) 2009 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.
 
 #include "net/spdy/spdy_network_transaction.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/stats_counters.h"
@@ skipping 207 matching lines @@
   if (SpdySession::SSLMode()) {
     if (session_->fixed_https_port() != 0)
       port = session_->fixed_https_port();
   } else if (session_->fixed_http_port() != 0) {
     port = session_->fixed_http_port();
   }
 
   std::string connection_group = "spdy.";
   connection_group.append(host);
 
-  TCPSocketParams tcp_params(host, port, request_->priority, request_->referrer,
-                             false);
   HostPortPair host_port_pair(host, port);
+  TCPSocketParams tcp_params(host_port_pair, request_->priority,
+                             request_->referrer, false);
 
   spdy_ = session_->spdy_session_pool()->Get(host_port_pair, session_);
   DCHECK(spdy_);
 
   return spdy_->Connect(
       connection_group, tcp_params, request_->priority, net_log_);
 }
 
 int SpdyNetworkTransaction::DoInitConnectionComplete(int result) {
   if (result < 0)
@@ skipping 50 matching lines @@
   user_buffer_ = NULL;
   user_buffer_len_ = 0;
 
   if (result <= 0)
     stream_ = NULL;
 
   return result;
 }
 
 }  // namespace net