Remove a bunch of unused network flags.

net/http/http_network_session.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_HTTP_HTTP_NETWORK_SESSION_H_
 #define NET_HTTP_HTTP_NETWORK_SESSION_H_
 
 #include <set>
 #include <string>
 
@@ skipping 61 matching lines @@
     NetworkDelegate* network_delegate;
     base::WeakPtr<HttpServerProperties> http_server_properties;
     NetLog* net_log;
     HostMappingRules* host_mapping_rules;
     bool force_http_pipelining;
     bool ignore_certificate_errors;
     bool http_pipelining_enabled;
     uint16 testing_fixed_http_port;
     uint16 testing_fixed_https_port;
     bool force_spdy_single_domain;
-    bool enable_spdy_ip_pooling;
     bool enable_spdy_compression;
     bool enable_spdy_ping_based_connection_checking;
     NextProto spdy_default_protocol;
     size_t spdy_stream_initial_recv_window_size;
     size_t spdy_initial_max_concurrent_streams;
     size_t spdy_max_concurrent_streams_limit;
     SpdySessionPool::TimeFunc time_func;
     std::string trusted_spdy_proxy;
     bool enable_quic;
     bool enable_quic_https;
@@ skipping 113 matching lines @@
   scoped_ptr<HttpStreamFactory> http_stream_factory_;
   scoped_ptr<HttpStreamFactory> http_stream_factory_for_websocket_;
   std::set<HttpResponseBodyDrainer*> response_drainers_;
 
   Params params_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_SESSION_H_