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

content/browser/geolocation/wifi_data_provider_common.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/wifi_data_provider_common.h"
 
 #include "base/bind.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace content {
 
 base::string16 MacAddressAsString16(const uint8 mac_as_int[6]) {
   // mac_as_int is big-endian. Write in byte chunks.
   // Format is XX-XX-XX-XX-XX-XX.
   static const char* const kMacFormatString =
       "%02x-%02x-%02x-%02x-%02x-%02x";
@@ skipping 55 matching lines @@
     polling_policy_->UpdatePollingInterval(update_available);
     ScheduleNextScan(polling_policy_->PollingInterval());
   }
   if (update_available || !is_first_scan_complete_) {
     is_first_scan_complete_ = true;
     RunCallbacks();
   }
 }
 
 void WifiDataProviderCommon::ScheduleNextScan(int interval) {
-  client_loop()->task_runner()->PostDelayedTask(
-      FROM_HERE, base::Bind(&WifiDataProviderCommon::DoWifiScanTask,
-                            weak_factory_.GetWeakPtr()),
+  client_loop()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&WifiDataProviderCommon::DoWifiScanTask,
+                 weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(interval));
 }
 
 }  // namespace content