Update Gears wifi data providers to Chrome style & APIs....

chrome/browser/geolocation/wifi_data_provider_common_win.h

Index: chrome/browser/geolocation/wifi_data_provider_common_win.h
===================================================================
--- chrome/browser/geolocation/wifi_data_provider_common_win.h	(revision 0)
+++ chrome/browser/geolocation/wifi_data_provider_common_win.h	(revision 0)
@@ -0,0 +1,20 @@
+// 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_COMMON_WIN_H_
+#define CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_WIN_H_
+
+#include <windows.h>
+#include <ntddndis.h>
+#include <vector>
+#include "chrome/browser/geolocation/device_data_provider.h"
+
+// Extracts access point data from the NDIS_802_11_BSSID_LIST structure and
+// appends it to the data vector. Returns the number of access points for which
+// data was extracted.
+int GetDataFromBssIdList(const NDIS_802_11_BSSID_LIST& bss_id_list,
+                         int list_size,
+                         WifiData::AccessPointDataSet* data);
+
+#endif  // CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_WIN_H_