Proximity Auth: Remove unused BluetoothLowEnergeyConnectionFinder.

R=khorimoto@chromium.org

Bug: 899324
Test: none
Change-Id: I00093b332711218ac96cca78fdfe17ab8ae7f1e7
Reviewed-on: https://chromium-review.googlesource.com/c/1330720Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: James Hawkins <jhawkins@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607062}

chromeos/components/proximity_auth/BUILD.gn

@@ -8,8 +8,6 @@ assert(is_chromeos, "ProximityAuth is Chrome OS only")
 
 static_library("proximity_auth") {
   sources = [
-    "bluetooth_low_energy_connection_finder.cc",
-    "bluetooth_low_energy_connection_finder.h",
     "messenger.h",
     "messenger_impl.cc",
     "messenger_impl.h",
@@ -98,7 +96,6 @@ static_library("test_support") {
 source_set("unit_tests") {
   testonly = true
   sources = [
-    "bluetooth_low_energy_connection_finder_unittest.cc",
     "messenger_impl_unittest.cc",
     "proximity_auth_local_state_pref_manager_unittest.cc",
     "proximity_auth_profile_pref_manager_unittest.cc",

chromeos/components/proximity_auth/bluetooth_low_energy_connection_finder.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 CHROMEOS_COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H_
-#define CHROMEOS_COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H_
-
-#include <memory>
-#include <set>
-#include <string>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "components/cryptauth/background_eid_generator.h"
-#include "components/cryptauth/connection.h"
-#include "components/cryptauth/connection_finder.h"
-#include "components/cryptauth/connection_observer.h"
-#include "components/cryptauth/remote_device_ref.h"
-#include "device/bluetooth/bluetooth_adapter.h"
-#include "device/bluetooth/bluetooth_device.h"
-#include "device/bluetooth/bluetooth_discovery_session.h"
-#include "device/bluetooth/bluetooth_gatt_connection.h"
-
-namespace proximity_auth {
-
-// This cryptauth::ConnectionFinder implementation is specialized in finding a
-// Bluetooth Low Energy remote device. We look for remote devices advertising
-// the expected EID for the current or nearby time intervals.
-class BluetoothLowEnergyConnectionFinder
-    : public cryptauth::ConnectionFinder,
-      public cryptauth::ConnectionObserver,
-      public device::BluetoothAdapter::Observer {
- public:
-  // Finds (and connects) to a Bluetooth low energy device, based on the EID
-  // advertised by the remote device.
-  //
-  // |remote_device|: The BLE remote device.
-  BluetoothLowEnergyConnectionFinder(cryptauth::RemoteDeviceRef remote_device);
-
-  ~BluetoothLowEnergyConnectionFinder() override;
-
-  // Finds a connection to the remote device.
-  void Find(const cryptauth::ConnectionFinder::ConnectionCallback&
-                connection_callback) override;
-
-  // cryptauth::ConnectionObserver:
-  void OnConnectionStatusChanged(
-      cryptauth::Connection* connection,
-      cryptauth::Connection::Status old_status,
-      cryptauth::Connection::Status new_status) override;
-
-  // device::BluetoothAdapter::Observer:
-  void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
-                             bool powered) override;
-  void DeviceAdded(device::BluetoothAdapter* adapter,
-                   device::BluetoothDevice* device) override;
-  void DeviceChanged(device::BluetoothAdapter* adapter,
-                     device::BluetoothDevice* device) override;
-
- protected:
-  BluetoothLowEnergyConnectionFinder(
-      const cryptauth::RemoteDeviceRef remote_device,
-      const std::string& service_uuid,
-      std::unique_ptr<cryptauth::BackgroundEidGenerator> eid_generator);
-
-  // Creates a proximity_auth::Connection with the device given by
-  // |device_address|. Exposed for testing.
-  virtual std::unique_ptr<cryptauth::Connection> CreateConnection(
-      device::BluetoothDevice* bluetooth_device);
-
-  // Checks if |device| is advertising the right EID.
-  virtual bool IsRightDevice(device::BluetoothDevice* device);
-
- private:
-  // Callback to be called when the Bluetooth adapter is initialized.
-  void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter);
-
-  // Checks if |remote_device| contains |remote_service_uuid| and creates a
-  // connection in that case.
-  void HandleDeviceUpdated(device::BluetoothDevice* remote_device);
-
-  // Callback called when a new discovery session is started.
-  void OnDiscoverySessionStarted(
-      std::unique_ptr<device::BluetoothDiscoverySession> discovery_session);
-
-  // Callback called when there is an error starting a new discovery session.
-  void OnStartDiscoverySessionError();
-
-  // Starts a discovery session for |adapter_|.
-  void StartDiscoverySession();
-
-  // Stops the discovery session given by |discovery_session_|.
-  void StopDiscoverySession();
-
-  // Restarts the discovery session after creating |connection_| fails.
-  void RestartDiscoverySessionAsync();
-
-  // Used to invoke |connection_callback_| asynchronously, decoupling the
-  // callback invocation from the ConnectionObserver callstack.
-  void InvokeCallbackAsync();
-
-  // The remote BLE device being searched. It maybe empty, in this case the
-  // remote device should advertise |remote_service_uuid_| and
-  // |advertised_name_|.
-  cryptauth::RemoteDeviceRef remote_device_;
-
-  // The UUID of the service used by the Weave socket.
-  std::string service_uuid_;
-
-  // Generates the expected EIDs that may be advertised by |remote_device_|. If
-  // an EID matches, we know its a device we should connect to.
-  std::unique_ptr<cryptauth::BackgroundEidGenerator> eid_generator_;
-
-  // The Bluetooth adapter over which the Bluetooth connection will be made.
-  scoped_refptr<device::BluetoothAdapter> adapter_;
-
-  // The discovery session associated to this object.
-  std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_;
-
-  // The connection with |remote_device|.
-  std::unique_ptr<cryptauth::Connection> connection_;
-
-  // Callback called when the connection is established.
-  cryptauth::ConnectionFinder::ConnectionCallback connection_callback_;
-
-  base::WeakPtrFactory<BluetoothLowEnergyConnectionFinder> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyConnectionFinder);
-};
-
-}  // namespace proximity_auth
-
-#endif  // CHROMEOS_COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_LOW_ENERGY_CONNECTION_FINDER_H_