Cleanup the UseSharedProxies preference.

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 380 matching lines @@
   auth_schemes_ = local_state->GetString(prefs::kAuthSchemes);
   negotiate_disable_cname_lookup_ = local_state->GetBoolean(
       prefs::kDisableAuthNegotiateCnameLookup);
   negotiate_enable_port_ = local_state->GetBoolean(
       prefs::kEnableAuthNegotiatePort);
   auth_server_whitelist_ = local_state->GetString(prefs::kAuthServerWhitelist);
   auth_delegate_whitelist_ = local_state->GetString(
       prefs::kAuthNegotiateDelegateWhitelist);
   gssapi_library_name_ = local_state->GetString(prefs::kGSSAPILibraryName);
   pref_proxy_config_tracker_.reset(
-      ProxyServiceFactory::CreatePrefProxyConfigTracker(local_state));
+      ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
+          local_state));
   ChromeNetworkDelegate::InitializePrefsOnUIThread(
       &system_enable_referrers_,
       NULL,
       NULL,
       local_state);
   ssl_config_service_manager_.reset(
       SSLConfigServiceManager::CreateDefaultManager(local_state));
 
   base::Value* dns_client_enabled_default = new base::FundamentalValue(
       chrome_browser_net::ConfigureAsyncDnsFieldTrial());
@@ skipping 554 matching lines @@
   if (command_line.HasSwitch(switches::kDisableQuic))
     return false;
 
   if (command_line.HasSwitch(switches::kEnableQuic) ||
       command_line.HasSwitch(switches::kEnableQuicHttps)) {
     return true;
   }
 
   return quic_trial_group == kQuicFieldTrialEnabledGroupName;
 }