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diff --git a/chrome/browser/geolocation/wifi_data_provider_mac.h b/chrome/browser/geolocation/wifi_data_provider_mac.h
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+++ b/chrome/browser/geolocation/wifi_data_provider_mac.h
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+// 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.
+
+#ifndef CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_MAC_H_
+#define CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_MAC_H_
+
+// TODO(joth): port to chromium
+#if 0
+
+#include "gears/base/common/common.h"
+#include "gears/base/common/event.h"
+#include "gears/base/common/mutex.h"
+#include "gears/base/common/thread.h"
+#include "gears/geolocation/device_data_provider.h"
+#include "gears/geolocation/osx_wifi.h"
+
+class OsxWifiDataProvider
+    : public WifiDataProviderImplBase,
+      public Thread {
+ public:
+  OsxWifiDataProvider();
+  virtual ~OsxWifiDataProvider();
+
+  // WifiDataProviderImplBase implementation.
+  virtual bool GetData(WifiData *data);
+
+ private:
+  // Thread implementation.
+  virtual void Run();
+
+  void GetAccessPointData(WifiData::AccessPointDataSet *access_points);
+
+  // Context and function pointers for Apple80211 library.
+  WirelessContextPtr wifi_context_;
+  WirelessAttachFunction WirelessAttach_function_;
+  WirelessScanSplitFunction WirelessScanSplit_function_;
+  WirelessDetachFunction WirelessDetach_function_;
+
+  WifiData wifi_data_;
+  Mutex data_mutex_;
+
+  // Event signalled to shut down the thread that polls for wifi data.
+  Event stop_event_;
+
+  // Whether we've successfully completed a scan for WiFi data (or the polling
+  // thread has terminated early).
+  bool is_first_scan_complete_;
+
+  DISALLOW_COPY_AND_ASSIGN(OsxWifiDataProvider);
+};
+
+#endif  // 0
+
+#endif  // CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_MAC_H_