bluetooth: android: Accumulate advertised UUIDs.

device/bluetooth/bluetooth_adapter_mac.mm

 // Copyright 2013 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 "device/bluetooth/bluetooth_adapter_mac.h"
 
 #import <IOBluetooth/objc/IOBluetoothDevice.h>
 #import <IOBluetooth/objc/IOBluetoothHostController.h>
 
 #include <string>
@@ skipping 475 matching lines @@
     // hash the probability of this occuring with 10,000 devices
     // simultaneously present is 1e-6 (see
     // https://en.wikipedia.org/wiki/Birthday_problem#Probability_table).  We
     // ignore the second device by returning.
     return;
   }
 
   // A device has an update.
   VLOG(2) << "LowEnergyDeviceUpdated";
   device_mac->Update(peripheral, advertisement_data, rssi);
+  // TODO(scheib): Call DeviceChanged only if UUIDs change. crbug.com/547106
   FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
                     DeviceChanged(this, device_mac));
 }
 
 // TODO(krstnmnlsn): Implement. crbug.com/511025
 void BluetoothAdapterMac::LowEnergyCentralManagerUpdatedState() {}
 
 void BluetoothAdapterMac::RemoveTimedOutDevices() {
   // Notify observers if any previously seen devices are no longer available,
   // i.e. if they are no longer paired, connected, nor recently discovered via
@@ skipping 23 matching lines @@
 }
 
 void BluetoothAdapterMac::AddPairedDevices() {
   // Add any new paired devices.
   for (IOBluetoothDevice* device in [IOBluetoothDevice pairedDevices]) {
     ClassicDeviceAdded(device);
   }
 }
 
 }  // namespace device