[EasyUnlock] Delete unused BLE code.

components/proximity_auth/ble/bluetooth_low_energy_device_whitelist.cc

-// 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.
-
-#include "components/proximity_auth/ble/bluetooth_low_energy_device_whitelist.h"
-
-#include <vector>
-
-#include "base/macros.h"
-#include "base/values.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/pref_service.h"
-#include "components/prefs/scoped_user_pref_update.h"
-#include "components/proximity_auth/ble/pref_names.h"
-#include "components/proximity_auth/logging/logging.h"
-
-namespace proximity_auth {
-
-BluetoothLowEnergyDeviceWhitelist::BluetoothLowEnergyDeviceWhitelist(
-    PrefService* pref_service)
-    : pref_service_(pref_service) {
-}
-
-BluetoothLowEnergyDeviceWhitelist::~BluetoothLowEnergyDeviceWhitelist() {
-}
-
-// static
-void BluetoothLowEnergyDeviceWhitelist::RegisterPrefs(
-    PrefRegistrySimple* registry) {
-  registry->RegisterDictionaryPref(prefs::kBluetoothLowEnergyDeviceWhitelist);
-}
-
-bool BluetoothLowEnergyDeviceWhitelist::HasDeviceWithAddress(
-    const std::string& bluetooth_address) const {
-  return pref_service_->GetDictionary(prefs::kBluetoothLowEnergyDeviceWhitelist)
-      ->HasKey(bluetooth_address);
-}
-
-bool BluetoothLowEnergyDeviceWhitelist::HasDeviceWithPublicKey(
-    const std::string& public_key) const {
-  return !GetDeviceAddress(public_key).empty();
-}
-
-std::string BluetoothLowEnergyDeviceWhitelist::GetDevicePublicKey(
-    const std::string& bluetooth_address) const {
-  std::string public_key;
-  GetWhitelistPrefs()->GetStringWithoutPathExpansion(bluetooth_address,
-                                                     &public_key);
-  return public_key;
-}
-
-std::string BluetoothLowEnergyDeviceWhitelist::GetDeviceAddress(
-    const std::string& public_key) const {
-  const base::DictionaryValue* device_whitelist = GetWhitelistPrefs();
-  for (base::DictionaryValue::Iterator it(*device_whitelist); !it.IsAtEnd();
-       it.Advance()) {
-    std::string value_string;
-    DCHECK(it.value().IsType(base::Value::Type::STRING));
-    if (it.value().GetAsString(&value_string) && value_string == public_key)
-      return it.key();
-  }
-  return std::string();
-}
-
-std::vector<std::string> BluetoothLowEnergyDeviceWhitelist::GetPublicKeys()
-    const {
-  std::vector<std::string> public_keys;
-  const base::DictionaryValue* device_whitelist = GetWhitelistPrefs();
-  for (base::DictionaryValue::Iterator it(*device_whitelist); !it.IsAtEnd();
-       it.Advance()) {
-    std::string value_string;
-    DCHECK(it.value().IsType(base::Value::Type::STRING));
-    it.value().GetAsString(&value_string);
-    public_keys.push_back(value_string);
-  }
-  return public_keys;
-}
-
-void BluetoothLowEnergyDeviceWhitelist::AddOrUpdateDevice(
-    const std::string& bluetooth_address,
-    const std::string& public_key) {
-  if (HasDeviceWithPublicKey(public_key) &&
-      GetDeviceAddress(public_key) != bluetooth_address) {
-    PA_LOG(WARNING) << "Two devices with different bluetooth address, but the "
-                       "same public key were added: " << public_key;
-    RemoveDeviceWithPublicKey(public_key);
-  }
-
-  DictionaryPrefUpdate device_whitelist_update(
-      pref_service_, prefs::kBluetoothLowEnergyDeviceWhitelist);
-  device_whitelist_update->SetStringWithoutPathExpansion(bluetooth_address,
-                                                         public_key);
-}
-
-bool BluetoothLowEnergyDeviceWhitelist::RemoveDeviceWithAddress(
-    const std::string& bluetooth_address) {
-  DictionaryPrefUpdate device_whitelist_update(
-      pref_service_, prefs::kBluetoothLowEnergyDeviceWhitelist);
-  return device_whitelist_update->RemoveWithoutPathExpansion(bluetooth_address,
-                                                             nullptr);
-}
-
-bool BluetoothLowEnergyDeviceWhitelist::RemoveDeviceWithPublicKey(
-    const std::string& public_key) {
-  return RemoveDeviceWithAddress(GetDeviceAddress(public_key));
-}
-
-const base::DictionaryValue*
-BluetoothLowEnergyDeviceWhitelist::GetWhitelistPrefs() const {
-  return pref_service_->GetDictionary(
-      prefs::kBluetoothLowEnergyDeviceWhitelist);
-}
-
-}  // namespace proximity_auth