net: plumb DnsRRResolver from IOThread to HttpNetworkSession.

net/http/http_cache.cc

 // 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.
 
 #include "net/http/http_cache.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 
@@ skipping 225 matching lines @@
 }
 
 void HttpCache::MetadataWriter::OnIOComplete(int result) {
   if (!verified_)
     return VerifyResponse(result);
   SelfDestroy();
 }
 
 //-----------------------------------------------------------------------------
 
-HttpCache::HttpCache(HostResolver* host_resolver, ProxyService* proxy_service,
+HttpCache::HttpCache(HostResolver* host_resolver,
+                     DnsRRResolver* dnsrr_resolver,
+                     ProxyService* proxy_service,
                      SSLConfigService* ssl_config_service,
                      HttpAuthHandlerFactory* http_auth_handler_factory,
                      HttpNetworkDelegate* network_delegate,
                      NetLog* net_log,
                      BackendFactory* backend_factory)
     : backend_factory_(backend_factory),
       building_backend_(false),
       mode_(NORMAL),
       network_layer_(HttpNetworkLayer::CreateFactory(host_resolver,
-          proxy_service, ssl_config_service, http_auth_handler_factory,
-          network_delegate, net_log)),
+          dnsrr_resolver, proxy_service, ssl_config_service,
+          http_auth_handler_factory, network_delegate, net_log)),
       ALLOW_THIS_IN_INITIALIZER_LIST(task_factory_(this)),
       enable_range_support_(true) {
 }
 
 HttpCache::HttpCache(HttpNetworkSession* session,
                      BackendFactory* backend_factory)
     : backend_factory_(backend_factory),
       building_backend_(false),
       mode_(NORMAL),
       network_layer_(HttpNetworkLayer::CreateFactory(session)),
@@ skipping 784 matching lines @@
     building_backend_ = false;
     DeletePendingOp(pending_op);
   }
 
   // The cache may be gone when we return from the callback.
   if (!item->DoCallback(result, backend))
     item->NotifyTransaction(result, NULL);
 }
 
 }  // namespace net