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

content/browser/geolocation/wifi_data_provider_chromeos.h

-// 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.
-
-#ifndef CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
-#define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
-
-#include <memory>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "content/browser/geolocation/wifi_data_provider.h"
-#include "content/browser/geolocation/wifi_polling_policy.h"
-
-namespace content {
-
-class CONTENT_EXPORT WifiDataProviderChromeOs : public WifiDataProvider {
- public:
-  WifiDataProviderChromeOs();
-
-  // WifiDataProvider
-  void StartDataProvider() override;
-  void StopDataProvider() override;
-  bool GetData(WifiData* data) override;
-
- private:
-  friend class GeolocationChromeOsWifiDataProviderTest;
-  ~WifiDataProviderChromeOs() override;
-
-  // UI thread
-  void DoWifiScanTaskOnUIThread();  // The polling task
-  void DoStartTaskOnUIThread();
-
-  // Client thread
-  void DidWifiScanTaskNoResults();
-  void DidWifiScanTask(const WifiData& new_data);
-
-  // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task.
-  void ScheduleNextScan(int interval);
-
-  // Will schedule starting of the scanning process.
-  void ScheduleStart();
-
-  // Will schedule stopping of the scanning process.
-  void ScheduleStop();
-
-  // Get access point data from chromeos.
-  bool GetAccessPointData(WifiData::AccessPointDataSet* data);
-
-  // Controls the polling update interval. (client thread)
-  std::unique_ptr<WifiPollingPolicy> polling_policy_;
-
-  // The latest wifi data. (client thread)
-  WifiData wifi_data_;
-
-  // Whether we have strated the data provider. (client thread)
-  bool started_;
-
-  // Whether we've successfully completed a scan for WiFi data. (client thread)
-  bool is_first_scan_complete_;
-
-  DISALLOW_COPY_AND_ASSIGN(WifiDataProviderChromeOs);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_