Remove outdated devices from Android device chooser

device/bluetooth/bluetooth_adapter_mac.h

Index: device/bluetooth/bluetooth_adapter_mac.h
diff --git a/device/bluetooth/bluetooth_adapter_mac.h b/device/bluetooth/bluetooth_adapter_mac.h
index b6327416a6a6cd570f9bc5bdf31522bf3ee33622..8b27594b41caa284497fae3ce35412fca78942ea 100644
--- a/device/bluetooth/bluetooth_adapter_mac.h
+++ b/device/bluetooth/bluetooth_adapter_mac.h
@@ -167,10 +167,6 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
   // Updates |devices_| when there is a change to the CBCentralManager's state.
   void LowEnergyCentralManagerUpdatedState();
 
-  // Removes from |devices_| any previously paired, connected or seen devices
-  // which are no longer present. Notifies observers.
-  void RemoveTimedOutDevices();
-
   // Updates |devices_| to include the currently paired devices and notifies
   // observers.
   void AddPairedDevices();