Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/geolocation/network_location_provider.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 "content/browser/geolocation/network_location_provider.h"
 
 #include "base/bind.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "content/public/browser/access_token_store.h"
 
 namespace content {
 namespace {
 // The maximum period of time we'll wait for a complete set of wifi data
 // before sending the request.
 const int kDataCompleteWaitSeconds = 2;
 }  // namespace
 
@@ skipping 173 matching lines @@
                  << request_->url().possibly_invalid_spec();
     return false;
   }
 
   // Registers a callback with the data provider. The first call to Register
   // will create a singleton data provider and it will be deleted when the last
   // callback is removed with Unregister.
   wifi_data_provider_manager_ =
       WifiDataProviderManager::Register(&wifi_data_update_callback_);
 
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE, base::Bind(&NetworkLocationProvider::RequestPosition,
-                            weak_factory_.GetWeakPtr()),
+  base::MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&NetworkLocationProvider::RequestPosition,
+                 weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromSeconds(kDataCompleteWaitSeconds));
   // Get the wifi data.
   is_wifi_data_complete_ = wifi_data_provider_manager_->GetData(&wifi_data_);
   if (is_wifi_data_complete_)
     OnWifiDataUpdated();
   return true;
 }
 
 void NetworkLocationProvider::OnWifiDataUpdated() {
   DCHECK(CalledOnValidThread());
@@ skipping 51 matching lines @@
   }
   request_->MakeRequest(access_token_, wifi_data_,
                         wifi_data_updated_timestamp_);
 }
 
 bool NetworkLocationProvider::IsStarted() const {
   return wifi_data_provider_manager_ != NULL;
 }
 
 }  // namespace content