net: plumb DnsRRResolver from IOThread to HttpNetworkSession.

net/http/http_network_session.h

 // Copyright (c) 2010 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_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 11 matching lines @@
 #include "net/http/http_stream_factory.h"
 #include "net/proxy/proxy_service.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/spdy/spdy_settings_storage.h"
 
 class Value;
 
 namespace net {
 
 class ClientSocketFactory;
+class DnsRRResolver;
 class HttpAuthHandlerFactory;
 class HttpNetworkDelegate;
 class HttpNetworkSessionPeer;
 class HttpProxyClientSocketPool;
 class HttpResponseBodyDrainer;
 class SpdySessionPool;
 class SOCKSClientSocketPool;
 class SSLClientSocketPool;
 class TCPClientSocketPool;
 
 // This class holds session objects used by HttpNetworkTransaction objects.
 class HttpNetworkSession : public base::RefCounted<HttpNetworkSession>,
                            public NonThreadSafe {
  public:
   HttpNetworkSession(
       HostResolver* host_resolver,
+      DnsRRResolver* dnsrr_resolver,
       ProxyService* proxy_service,
       ClientSocketFactory* client_socket_factory,
       SSLConfigService* ssl_config_service,
       SpdySessionPool* spdy_session_pool,
       HttpAuthHandlerFactory* http_auth_handler_factory,
       HttpNetworkDelegate* network_delegate,
       NetLog* net_log);
 
   HttpAuthCache* auth_cache() { return &auth_cache_; }
   SSLClientAuthCache* ssl_client_auth_cache() {
@@ skipping 38 matching lines @@
   }
 
   SSLClientSocketPool* GetSocketPoolForSSLWithProxy(
       const HostPortPair& proxy_server) {
     return socket_pool_manager_.GetSocketPoolForSSLWithProxy(proxy_server);
   }
 
   // SSL sockets come from the socket_factory().
   ClientSocketFactory* socket_factory() { return socket_factory_; }
   HostResolver* host_resolver() { return host_resolver_; }
+  DnsRRResolver* dnsrr_resolver() { return dnsrr_resolver_; }
   ProxyService* proxy_service() { return proxy_service_; }
   SSLConfigService* ssl_config_service() { return ssl_config_service_; }
   SpdySessionPool* spdy_session_pool() { return spdy_session_pool_.get(); }
   HttpAuthHandlerFactory* http_auth_handler_factory() {
     return http_auth_handler_factory_;
   }
   HttpNetworkDelegate* network_delegate() {
     return network_delegate_;
   }
 
@@ skipping 15 matching lines @@
   friend class base::RefCounted<HttpNetworkSession>;
   friend class HttpNetworkSessionPeer;
 
   ~HttpNetworkSession();
 
   ClientSocketFactory* const socket_factory_;
   HttpAuthCache auth_cache_;
   SSLClientAuthCache ssl_client_auth_cache_;
   HttpAlternateProtocols alternate_protocols_;
   HostResolver* const host_resolver_;
+  DnsRRResolver* dnsrr_resolver_;
   scoped_refptr<ProxyService> proxy_service_;
   scoped_refptr<SSLConfigService> ssl_config_service_;
   ClientSocketPoolManager socket_pool_manager_;
   // TODO(willchan): Move this out to IOThread so it can be shared across
   // URLRequestContexts.
   scoped_ptr<SpdySessionPool> spdy_session_pool_;
   scoped_refptr<HttpStreamFactory> http_stream_factory_;
   HttpAuthHandlerFactory* http_auth_handler_factory_;
   HttpNetworkDelegate* const network_delegate_;
   NetLog* net_log_;
   SpdySettingsStorage spdy_settings_;
   std::set<HttpResponseBodyDrainer*> response_drainers_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_SESSION_H_