Remove NetworkDelegate from HttpNetworkSession.

net/http/http_network_session.h

Index: net/http/http_network_session.h
diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index 30cec77f04d48d0ec4aad019a6abd4dece195f9b..a4b7689811cd15115d5ec90b22b1faa815e133fa 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -45,7 +45,6 @@ class HttpProxyClientSocketPool;
 class HttpResponseBodyDrainer;
 class HttpServerProperties;
 class NetLog;
-class NetworkDelegate;
 class ProxyDelegate;
 class ProxyService;
 class QuicClock;
@@ -77,7 +76,6 @@ class NET_EXPORT HttpNetworkSession
     ProxyService* proxy_service;
     SSLConfigService* ssl_config_service;
     HttpAuthHandlerFactory* http_auth_handler_factory;
-    NetworkDelegate* network_delegate;
     base::WeakPtr<HttpServerProperties> http_server_properties;
     NetLog* net_log;
     HostMappingRules* host_mapping_rules;
@@ -228,9 +226,6 @@ class NET_EXPORT HttpNetworkSession
   HttpAuthHandlerFactory* http_auth_handler_factory() {
     return http_auth_handler_factory_;
   }
-  NetworkDelegate* network_delegate() {
-    return network_delegate_;
-  }
   base::WeakPtr<HttpServerProperties> http_server_properties() {
     return http_server_properties_;
   }
@@ -274,7 +269,6 @@ class NET_EXPORT HttpNetworkSession
   ClientSocketPoolManager* GetSocketPoolManager(SocketPoolType pool_type);
 
   NetLog* const net_log_;
-  NetworkDelegate* const network_delegate_;
   const base::WeakPtr<HttpServerProperties> http_server_properties_;
   CertVerifier* const cert_verifier_;
   HttpAuthHandlerFactory* const http_auth_handler_factory_;