content: Use base::MessageLoop.

content/browser/geolocation/win7_location_provider_win.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/win7_location_provider_win.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 73 matching lines @@
   ScheduleNextPoll(differ ? kPollPeriodMovingMillis :
                             kPollPeriodStationaryMillis);
   if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) {
     // Update if the new location is interesting or we have an error to report
     position_ = new_position;
     UpdateListeners();
   }
 }
 
 void Win7LocationProvider::ScheduleNextPoll(int interval) {
-  MessageLoop::current()->PostDelayedTask(
+  base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&Win7LocationProvider::DoPollTask, weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(interval));
 }
 
 LocationProviderBase* NewSystemLocationProvider() {
   Win7LocationApi* api = Win7LocationApi::Create();
   if (api == NULL)
     return NULL; // API not supported on this machine.
   return new Win7LocationProvider(api);
 }
 
 }  // namespace content