net: plumb DnsRRResolver from IOThread to HttpNetworkSession.

chrome/browser/net/chrome_url_request_context.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 "chrome/browser/net/chrome_url_request_context.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/string_number_conversions.h"
@@ skipping 254 matching lines @@
                          context,
                          proxy_config_service_.release(),
                          command_line,
                          MessageLoop::current() /*io_loop*/));
 
   net::HttpCache::DefaultBackend* backend = new net::HttpCache::DefaultBackend(
       net::DISK_CACHE, disk_cache_path_, cache_size_,
       ChromeThread::GetMessageLoopProxyForThread(ChromeThread::CACHE));
   net::HttpCache* cache =
       new net::HttpCache(context->host_resolver(),
+                         context->dnsrr_resolver(),
                          context->proxy_service(),
                          context->ssl_config_service(),
                          context->http_auth_handler_factory(),
                          &io_thread_globals->network_delegate,
                          io_thread_globals->net_log.get(),
                          backend);
 
   if (command_line.HasSwitch(switches::kDisableByteRangeSupport))
     cache->set_enable_range_support(false);
 
@@ skipping 112 matching lines @@
   context->set_host_resolver(original_context->host_resolver());
   context->set_proxy_service(original_context->proxy_service());
   context->set_http_auth_handler_factory(
       original_context->http_auth_handler_factory());
 
   net::HttpCache::BackendFactory* backend =
       net::HttpCache::DefaultBackend::InMemory(0);
 
   net::HttpCache* cache =
       new net::HttpCache(context->host_resolver(),
+                         context->dnsrr_resolver(),
                          context->proxy_service(),
                          context->ssl_config_service(),
                          context->http_auth_handler_factory(),
                          &io_thread_globals->network_delegate,
                          io_thread_globals->net_log.get(),
                          backend);
   context->set_cookie_store(new net::CookieMonster(NULL,
       cookie_monster_delegate_));
   context->set_cookie_policy(
       new ChromeCookiePolicy(host_content_settings_map_));
@@ skipping 75 matching lines @@
     net::HttpNetworkLayer* main_network_layer =
         static_cast<net::HttpNetworkLayer*>(main_cache->network_layer());
     cache = new net::HttpCache(main_network_layer->GetSession(), backend);
     // TODO(eroman): Since this is poaching the session from the main
     // context, it should hold a reference to that context preventing the
     // session from getting deleted.
   } else {
     // If original HttpCache doesn't exist, simply construct one with a whole
     // new set of network stack.
     cache = new net::HttpCache(main_context->host_resolver(),
+                               main_context->dnsrr_resolver(),
                                main_context->proxy_service(),
                                main_context->ssl_config_service(),
                                main_context->http_auth_handler_factory(),
                                &io_thread_globals->network_delegate,
                                io_thread_globals->net_log.get(),
                                backend);
   }
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableByteRangeSupport))
@@ skipping 448 matching lines @@
       prefs::kProxyAutoDetect));
 
   if (pref_service->HasPrefPath(prefs::kProxyBypassList)) {
     std::string proxy_bypass =
         pref_service->GetString(prefs::kProxyBypassList);
     proxy_config->proxy_rules().bypass_rules.ParseFromString(proxy_bypass);
   }
 
   return proxy_config;
 }