Move BrowserThread to content namespace.

content/browser/geolocation/core_location_data_provider_mac.mm

 // Copyright (c) 2011 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.
 
 // This file contains the class definitions for the CoreLocation data provider
 // class and the accompanying Objective C wrapper class. This data provider
 // is used to allow the CoreLocation wrapper to run on the UI thread, since
 // CLLocationManager's start and stop updating methods must be called from a
 // thread with an active NSRunLoop.  Currently only the UI thread appears to
 // fill that requirement.
 
 #include "content/browser/geolocation/core_location_data_provider_mac.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/time.h"
 #include "content/browser/geolocation/core_location_provider_mac.h"
 #include "content/browser/geolocation/geolocation_provider.h"
 
+using content::BrowserThread;
+
 // A few required declarations since the CoreLocation headers are not available
 // with the Mac OS X 10.5 SDK.
 // TODO(jorgevillatoro): Remove these declarations when we build against 10.6
 
 // This idea was borrowed from wifi_data_provider_corewlan_mac.mm
 typedef double CLLocationDegrees;
 typedef double CLLocationAccuracy;
 typedef double CLLocationSpeed;
 typedef double CLLocationDirection;
 typedef double CLLocationDistance;
@@ skipping 209 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   [wrapper_ stopLocation];
 }
 
 void CoreLocationDataProviderMac::PositionUpdated(Geoposition position) {
   DCHECK(MessageLoop::current() ==
          GeolocationProvider::GetInstance()->message_loop());
   if (provider_)
     provider_->SetPosition(&position);
 }