HttpAuthHandlerFactory::CreateDefault requires a HostResolver argument.

chrome/browser/net/connection_tester.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/connection_tester.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 36 matching lines @@
     // Create a custom ProxyService for this this experiment.
     rv = CreateProxyService(experiment.proxy_settings_experiment,
                             &proxy_service_);
     if (rv != net::OK)
       return rv;  // Failure.
 
     // The rest of the dependencies are standard, and don't depend on the
     // experiment being run.
     ftp_transaction_factory_ = new net::FtpNetworkLayer(host_resolver_);
     ssl_config_service_ = new net::SSLConfigServiceDefaults;
-    http_auth_handler_factory_ = net::HttpAuthHandlerFactory::CreateDefault();
+    http_auth_handler_factory_ = net::HttpAuthHandlerFactory::CreateDefault(
+        host_resolver_);
     http_transaction_factory_ = new net::HttpCache(
         net::HttpNetworkLayer::CreateFactory(host_resolver_, proxy_service_,
             ssl_config_service_, http_auth_handler_factory_, NULL, NULL),
         net::HttpCache::DefaultBackend::InMemory(0));
     // In-memory cookie store.
     cookie_store_ = new net::CookieMonster(NULL, NULL);
 
     return net::OK;
   }
 
@@ skipping 324 matching lines @@
 
   // Notify the delegate of completion.
   delegate_->OnCompletedConnectionTestExperiment(current, result);
 
   if (remaining_experiments_.empty()) {
     delegate_->OnCompletedConnectionTestSuite();
   } else {
     StartNextExperiment();
   }
 }