net: move host_resolver files from net/base to net/dns

net/url_request/url_request_context_builder.cc

 // 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.
 
 #include "net/url_request/url_request_context_builder.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
 #include "net/base/cert_verifier.h"
-#include "net/base/host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/base/network_delegate.h"
 #include "net/cookies/cookie_monster.h"
+#include "net/dns/host_resolver.h"
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/transport_security_state.h"
 #include "net/proxy/proxy_service.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/static_http_user_agent_settings.h"
@@ skipping 259 matching lines @@
     http_transaction_factory = new HttpNetworkLayer(network_session);
   }
   storage->set_http_transaction_factory(http_transaction_factory);
 
   // TODO(willchan): Support sdch.
 
   return context;
 }
 
 }  // namespace net