Make HttpNetworkSession::host_mapping_rules no longer a pointer.

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 <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <unordered_set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/memory_coordinator_client.h"
 #include "base/memory/memory_pressure_monitor.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
+#include "net/base/host_mapping_rules.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
 #include "net/dns/host_resolver.h"
 #include "net/http/http_auth_cache.h"
 #include "net/http/http_stream_factory.h"
 #include "net/quic/chromium/quic_stream_factory.h"
 #include "net/socket/next_proto.h"
 #include "net/spdy/chromium/spdy_session_pool.h"
 #include "net/spdy/core/spdy_protocol.h"
 #include "net/ssl/ssl_client_auth_cache.h"
@@ skipping 54 matching lines @@
     bool enable_server_push_cancellation;
     ChannelIDService* channel_id_service;
     TransportSecurityState* transport_security_state;
     CTVerifier* cert_transparency_verifier;
     CTPolicyEnforcer* ct_policy_enforcer;
     ProxyService* proxy_service;
     SSLConfigService* ssl_config_service;
     HttpAuthHandlerFactory* http_auth_handler_factory;
     HttpServerProperties* http_server_properties;
     NetLog* net_log;
-    HostMappingRules* host_mapping_rules;
+    HostMappingRules host_mapping_rules;
     SocketPerformanceWatcherFactory* socket_performance_watcher_factory;
     bool ignore_certificate_errors;
     uint16_t testing_fixed_http_port;
     uint16_t testing_fixed_https_port;
     bool enable_tcp_fast_open_for_ssl;
     bool enable_user_alternate_protocol_ports;
 
     // Use SPDY ping frames to test for connection health after idle.
     bool enable_spdy_ping_based_connection_checking;
     bool enable_http2;
@@ skipping 210 matching lines @@
   NextProtoVector next_protos_;
 
   Params params_;
 
   std::unique_ptr<base::MemoryPressureListener> memory_pressure_listener_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_SESSION_H_