Stop sending Accept-Charset HTTP header.

chrome/browser/io_thread.cc

 // Copyright (c) 2012 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/io_thread.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 493 matching lines @@
   globals_->system_cookie_store = new net::CookieMonster(NULL, NULL);
   // In-memory server bound cert store.
   globals_->system_server_bound_cert_service.reset(
       new net::ServerBoundCertService(
           new net::DefaultServerBoundCertStore(NULL),
           base::WorkerPool::GetTaskRunner(true)));
   globals_->dns_probe_service.reset(new chrome_browser_net::DnsProbeService());
   globals_->load_time_stats.reset(new chrome_browser_net::LoadTimeStats());
   globals_->host_mapping_rules.reset(new net::HostMappingRules());
   globals_->http_user_agent_settings.reset(
-      new BasicHttpUserAgentSettings(EmptyString(), EmptyString()));
+      new BasicHttpUserAgentSettings(std::string()));
   if (command_line.HasSwitch(switches::kHostRules)) {
     globals_->host_mapping_rules->SetRulesFromString(
         command_line.GetSwitchValueASCII(switches::kHostRules));
   }
   if (command_line.HasSwitch(switches::kIgnoreCertificateErrors))
     globals_->ignore_certificate_errors = true;
   if (command_line.HasSwitch(switches::kTestingFixedHttpPort)) {
     globals_->testing_fixed_http_port =
         GetSwitchValueAsInt(command_line, switches::kTestingFixedHttpPort);
   }
@@ skipping 376 matching lines @@
   globals_->system_request_context.reset(
       ConstructSystemRequestContext(globals_, net_log_));
 
   sdch_manager_->set_sdch_fetcher(
       new SdchDictionaryFetcher(system_url_request_context_getter_.get()));
 }
 
 void IOThread::UpdateDnsClientEnabled() {
   globals()->host_resolver->SetDnsClientEnabled(*dns_client_enabled_);
 }