[EasyUnlock] Delete unused BLE code.

components/proximity_auth/ble/bluetooth_low_energy_device_whitelist.h

-// Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_WHITELIST_H
-#define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_WHITELIST_H
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-
-class PrefRegistrySimple;
-class PrefService;
-
-namespace base {
-class DictionaryValue;
-}  // namespace base
-
-namespace proximity_auth {
-
-// This class stores a persistent set of whitelisted bluetooth devices
-// represented by pairs (bluetooth_address, public_key). The class enforces a
-// bijective mapping: no two device share the same bluetooth_address or
-// the same public_key.
-class BluetoothLowEnergyDeviceWhitelist {
- public:
-  // Creates a device whitelist backed by preferences registered in
-  // |pref_service| (persistent across browser restarts). |pref_service| should
-  // have been registered using RegisterPrefs(). Not owned, must out live this
-  // instance.
-  explicit BluetoothLowEnergyDeviceWhitelist(PrefService* pref_service);
-  virtual ~BluetoothLowEnergyDeviceWhitelist();
-
-  // Registers the prefs used by this class to the given |pref_service|.
-  static void RegisterPrefs(PrefRegistrySimple* registry);
-
-  // Virtual for testing
-  virtual bool HasDeviceWithAddress(const std::string& bluetooth_address) const;
-  bool HasDeviceWithPublicKey(const std::string& public_key) const;
-
-  std::string GetDevicePublicKey(const std::string& bluetooth_address) const;
-  std::string GetDeviceAddress(const std::string& public_key) const;
-  std::vector<std::string> GetPublicKeys() const;
-
-  // Adds a device with |bluetooth_address| and |public_key|. The
-  // bluetooth_address <-> public_key mapping is unique, i.e. if there is
-  // another device with same bluetooth address or public key that device will
-  // be replaced.
-  void AddOrUpdateDevice(const std::string& bluetooth_address,
-                         const std::string& public_key);
-
-  // Removes the unique device with |bluetooth_address| (|public_key|). Returns
-  // false if no device was found.
-  bool RemoveDeviceWithAddress(const std::string& bluetooth_address);
-  bool RemoveDeviceWithPublicKey(const std::string& public_key);
-
- private:
-  const base::DictionaryValue* GetWhitelistPrefs() const;
-
-  // Contains perferences that outlive the lifetime of this object and across
-  // process restarts.
-  // Not owned and must outlive this instance.
-  PrefService* pref_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceWhitelist);
-};
-
-}  // namespace proximity_auth
-
-#endif  // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_WHITELIST_H