Add a command line option to turn off retry attempts to resolve host

net/url_request/url_request_test_util.cc

 // Copyright (c) 2011 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_test_util.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
 #include "net/base/host_port_pair.h"
 #include "net/http/http_network_session.h"
 #include "net/url_request/url_request_job_factory.h"
 
 TestURLRequestContext::TestURLRequestContext()
     : ALLOW_THIS_IN_INITIALIZER_LIST(context_storage_(this)) {
   context_storage_.set_host_resolver(
       net::CreateSystemHostResolver(net::HostResolver::kDefaultParallelism,
+                                    net::HostResolver::kDefaultRetryAttempts,
                                     NULL));
   context_storage_.set_proxy_service(net::ProxyService::CreateDirect());
   Init();
 }
 
 TestURLRequestContext::TestURLRequestContext(const std::string& proxy)
     : ALLOW_THIS_IN_INITIALIZER_LIST(context_storage_(this)) {
   context_storage_.set_host_resolver(
       net::CreateSystemHostResolver(net::HostResolver::kDefaultParallelism,
+                                    net::HostResolver::kDefaultRetryAttempts,
                                     NULL));
   net::ProxyConfig proxy_config;
   proxy_config.proxy_rules().ParseFromString(proxy);
   context_storage_.set_proxy_service(
       net::ProxyService::CreateFixed(proxy_config));
   Init();
 }
 
 TestURLRequestContext::TestURLRequestContext(const std::string& proxy,
                                              net::HostResolver* host_resolver)
@@ skipping 256 matching lines @@
 }
 
 net::URLRequestJob* TestNetworkDelegate::OnMaybeCreateURLRequestJob(
     net::URLRequest* request) {
   return NULL;
 }
 
 void TestNetworkDelegate::OnPACScriptError(int line_number,
                                            const string16& error) {
 }