Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/safe_browsing/client_side_model_loader.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/safe_browsing/client_side_model_loader.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/metrics/histogram.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/safe_browsing/protocol_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/safe_browsing/client_model.pb.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "chrome/common/safe_browsing/safebrowsing_messages.h"
 #include "components/variations/variations_associated_data.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_fetcher.h"
@@ skipping 160 matching lines @@
   }
 
   // Schedule the next model reload.
   ScheduleFetch(delay_ms);
 }
 
 void ModelLoader::ScheduleFetch(int64_t delay_ms) {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kSbDisableAutoUpdate))
     return;
-  base::MessageLoop::current()->PostDelayedTask(
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&ModelLoader::StartFetch, weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(delay_ms));
 }
 
 void ModelLoader::CancelFetcher() {
   // Invalidate any scheduled request.
   weak_factory_.InvalidateWeakPtrs();
   // Cancel any request in progress.
   fetcher_.reset();
 }
 
 }  // namespace safe_browsing