arc: bluetooth: Clean up arc_bluetooth_bridge

components/arc/bluetooth/arc_bluetooth_bridge.h

 // Copyright 2016 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_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_
 #define COMPONENTS_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 34 matching lines @@
   explicit ArcBluetoothBridge(ArcBridgeService* bridge_service);
   ~ArcBluetoothBridge() override;
 
   // Overridden from InstanceHolder<mojom::BluetoothInstance>::Observer:
   void OnInstanceReady() override;
   void OnInstanceClosed() override;
 
   void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter);
 
   // Overridden from device::BluetoothAdadpter::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;
 
   void DeviceAddressChanged(device::BluetoothAdapter* adapter,
                             device::BluetoothDevice* device,
                             const std::string& old_address) override;
 
@@ skipping 331 matching lines @@
   // Monotonically increasing value to use as handle to give to Android side.
   int32_t gatt_server_attribute_next_handle_ = 0;
   // Keeps track of all devices which initiated a GATT connection to us.
   std::unordered_set<std::string> gatt_connection_cache_;
   // Map of device address to GATT connection objects for connections we
   // have made. We need to hang on to these as long as the connection is
   // active since their destructors will drop the connections otherwise.
   std::unordered_map<std::string,
                      std::unique_ptr<device::BluetoothGattConnection>>
       gatt_connections_;
+  // Timer to turn discovery off.
+  base::OneShotTimer discovery_off_timer_;
   // Timer to turn adapter discoverable off.
   base::OneShotTimer discoverable_off_timer_;
 
   base::ThreadChecker thread_checker_;
 
   // WeakPtrFactory to use for callbacks.
   base::WeakPtrFactory<ArcBluetoothBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBluetoothBridge);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_