Reduce usage of MessageLoopProxy in base/

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/base64.h"
 #include "base/bind.h"
@@ skipping 462 matching lines @@
 
   base::Value* dns_client_enabled_default = new base::FundamentalValue(
       chrome_browser_net::ConfigureAsyncDnsFieldTrial());
   local_state->SetDefaultPrefValue(prefs::kBuiltInDnsClientEnabled,
                                    dns_client_enabled_default);
 
   dns_client_enabled_.Init(prefs::kBuiltInDnsClientEnabled,
                            local_state,
                            base::Bind(&IOThread::UpdateDnsClientEnabled,
                                       base::Unretained(this)));
-  dns_client_enabled_.MoveToThread(
+  dns_client_enabled_.UseAlternateTaskRunner(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 
   quick_check_enabled_.Init(prefs::kQuickCheckEnabled,
                             local_state);
-  quick_check_enabled_.MoveToThread(
+  quick_check_enabled_.UseAlternateTaskRunner(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
   is_spdy_disabled_by_policy_ = policy_service->GetPolicies(
       policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string())).Get(
           policy::key::kDisableSpdy) != NULL;
 #endif  // ENABLE_CONFIGURATION_POLICY
 
   BrowserThread::SetDelegate(BrowserThread::IO, this);
 }
@@ skipping 912 matching lines @@
   net::QuicVersionVector supported_versions = net::QuicSupportedVersions();
   for (size_t i = 0; i < supported_versions.size(); ++i) {
     net::QuicVersion version = supported_versions[i];
     if (net::QuicVersionToString(version) == quic_version) {
       return version;
     }
   }
 
   return net::QUIC_VERSION_UNSUPPORTED;
 }