Revert 76228 - Move core pieces of geolocation from chrome to content.This is...

content/browser/geolocation/core_location_data_provider_mac.h

-// Copyright (c) 2010 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 declares a CoreLocation data provider class that allows the
-// CoreLocation framework to run on the UI thread, since the Geolocation API's
-// providers all live on the IO thread
-
-#ifndef CONTENT_BROWSER_GEOLOCATION_CORE_LOCATION_DATA_PROVIDER_H_
-#define CONTENT_BROWSER_GEOLOCATION_CORE_LOCATION_DATA_PROVIDER_H_
-#pragma once
-
-#include "base/ref_counted.h"
-#include "base/scoped_nsobject.h"
-#include "chrome/common/geoposition.h"
-#include "content/browser/browser_thread.h"
-
-#import <Foundation/Foundation.h>
-
-class CoreLocationProviderMac;
-@class CoreLocationWrapperMac;
-
-// Data provider class that allows CoreLocation to run in Chrome's UI thread
-// while existing on any of Chrome's threads (in this case the IO thread)
-class CoreLocationDataProviderMac
-    : public base::RefCountedThreadSafe<CoreLocationDataProviderMac> {
- public:
-  CoreLocationDataProviderMac();
-
-  bool StartUpdating(CoreLocationProviderMac* provider);
-  void StopUpdating();
-
-  void UpdatePosition(Geoposition *position);
-
- protected:
-  friend class base::RefCountedThreadSafe<CoreLocationDataProviderMac>;
-  ~CoreLocationDataProviderMac();
-
- private:
-  // These must execute in BrowserThread::UI
-  void StartUpdatingTask();
-  void StopUpdatingTask();
-  // This must execute in the origin thread (IO thread)
-  void PositionUpdated(Geoposition position);
-
-  // The wrapper class that supplies this class with position data
-  scoped_nsobject<CoreLocationWrapperMac> wrapper_;
-  // The LocationProviderBase class that should receive position data
-  CoreLocationProviderMac* provider_;
-};
-
-#endif  // CONTENT_BROWSER_GEOLOCATION_CORE_LOCATION_DATA_PROVIDER_H_