DNS: Retain stale entries in HostCache and return when requested

net/dns/host_resolver_mojo.cc

 // Copyright 2015 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/dns/host_resolver_mojo.h"
 
 #include <utility>
 
 #include "mojo/public/cpp/bindings/binding.h"
 #include "net/base/address_list.h"
@@ skipping 101 matching lines @@
                                                const HostCache::Key& key,
                                                AddressList* addresses) {
   if (!info.allow_cached_response())
     return ERR_DNS_CACHE_MISS;
 
   const HostCache::Entry* entry =
       host_cache_->Lookup(key, base::TimeTicks::Now());
   if (!entry)
     return ERR_DNS_CACHE_MISS;
 
-  *addresses = AddressList::CopyWithPort(entry->addrlist, info.port());
-  return entry->error;
+  *addresses = AddressList::CopyWithPort(entry->addresses(), info.port());
+  return entry->error();
 }
 
 HostResolverMojo::Job::Job(
     const HostCache::Key& key,
     AddressList* addresses,
     const CompletionCallback& callback,
     mojo::InterfaceRequest<interfaces::HostResolverRequestClient> request,
     base::WeakPtr<HostCache> host_cache)
     : key_(key),
       addresses_(addresses),
@@ skipping 17 matching lines @@
   }
   callback_.Run(error);
   delete this;
 }
 
 void HostResolverMojo::Job::OnConnectionError() {
   ReportResult(ERR_FAILED, interfaces::AddressListPtr());
 }
 
 }  // namespace net