[chrome/browser/browsing_data] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/browser/browsing_data/browsing_data_quota_helper.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/browsing_data/browsing_data_quota_helper.h"
 
 #include "base/location.h"
 
 BrowsingDataQuotaHelper::QuotaInfo::QuotaInfo()
     : temporary_usage(0),
@@ skipping 17 matching lines @@
 
 BrowsingDataQuotaHelper::QuotaInfo::~QuotaInfo() {}
 
 // static
 void BrowsingDataQuotaHelperDeleter::Destruct(
     const BrowsingDataQuotaHelper* helper) {
   helper->io_thread_->DeleteSoon(FROM_HERE, helper);
 }
 
 BrowsingDataQuotaHelper::BrowsingDataQuotaHelper(
-    base::MessageLoopProxy* io_thread)
+    base::SingleThreadTaskRunner* io_thread)
     : io_thread_(io_thread) {
 }
 
 BrowsingDataQuotaHelper::~BrowsingDataQuotaHelper() {
 }
 
 bool BrowsingDataQuotaHelper::QuotaInfo::operator <(
     const BrowsingDataQuotaHelper::QuotaInfo& rhs) const {
   if (this->host != rhs.host)
     return this->host < rhs.host;
   if (this->temporary_usage != rhs.temporary_usage)
     return this->temporary_usage < rhs.temporary_usage;
   if (this->syncable_usage != rhs.syncable_usage)
       return this->syncable_usage < rhs.syncable_usage;
   return this->persistent_usage < rhs.persistent_usage;
 }
 
 bool BrowsingDataQuotaHelper::QuotaInfo::operator ==(
     const BrowsingDataQuotaHelper::QuotaInfo& rhs) const {
   return this->host == rhs.host &&
       this->temporary_usage == rhs.temporary_usage &&
       this->persistent_usage == rhs.persistent_usage &&
       this->syncable_usage == rhs.syncable_usage;
 }