Reland 2:Geolocation: move from content/browser to device/

content/browser/geolocation/wifi_data_provider_common_win.cc

-// 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.
-
-#include "content/browser/geolocation/wifi_data_provider_common_win.h"
-
-#include <assert.h>
-#include <stdint.h>
-
-#include "base/strings/utf_string_conversions.h"
-#include "content/browser/geolocation/wifi_data_provider_common.h"
-
-namespace content {
-
-bool ConvertToAccessPointData(const NDIS_WLAN_BSSID& data,
-                              AccessPointData *access_point_data) {
-  // Currently we get only MAC address, signal strength and SSID.
-  // TODO(steveblock): Work out how to get age, channel and signal-to-noise.
-  DCHECK(access_point_data);
-  access_point_data->mac_address = MacAddressAsString16(data.MacAddress);
-  access_point_data->radio_signal_strength = data.Rssi;
-  // Note that _NDIS_802_11_SSID::Ssid::Ssid is not null-terminated.
-  base::UTF8ToUTF16(reinterpret_cast<const char*>(data.Ssid.Ssid),
-                    data.Ssid.SsidLength,
-                    &access_point_data->ssid);
-  return true;
-}
-
-int GetDataFromBssIdList(const NDIS_802_11_BSSID_LIST& bss_id_list,
-                         int list_size,
-                         WifiData::AccessPointDataSet* data) {
-  // Walk through the BSS IDs.
-  int found = 0;
-  const uint8_t* iterator =
-      reinterpret_cast<const uint8_t*>(&bss_id_list.Bssid[0]);
-  const uint8_t* end_of_buffer =
-      reinterpret_cast<const uint8_t*>(&bss_id_list) + list_size;
-  for (int i = 0; i < static_cast<int>(bss_id_list.NumberOfItems); ++i) {
-    const NDIS_WLAN_BSSID *bss_id =
-        reinterpret_cast<const NDIS_WLAN_BSSID*>(iterator);
-    // Check that the length of this BSS ID is reasonable.
-    if (bss_id->Length < sizeof(NDIS_WLAN_BSSID) ||
-        iterator + bss_id->Length > end_of_buffer) {
-      break;
-    }
-    AccessPointData access_point_data;
-    if (ConvertToAccessPointData(*bss_id, &access_point_data)) {
-      data->insert(access_point_data);
-      ++found;
-    }
-    // Move to the next BSS ID.
-    iterator += bss_id->Length;
-  }
-  return found;
-}
-
-}  // namespace content