bluetooth: Replace old advertised uuids

device/bluetooth/bluetooth_adapter.h

 // Copyright (c) 2012 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 DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 79 matching lines @@
     //  * GetInquiryRSSI()
     //  * GetInquiryTxPower()
     //  * GetUUIDs()
     //  * IsConnectable()
     //  * IsConnected()
     //  * IsConnecting()
     //  * IsGattConnected()
     //  * IsPaired()
     //  * IsTrustable()
     //
+    // On Android and MacOS this method is called for each advertisement packet
+    // received. On Chrome OS and Linux, we can't guarantee that this method
+    // will be called for each Adv. Packet received but, because the RSSI is
+    // always changing, it's very likely this method will be called for each
+    // Adv. Packet.
     // |device| should not be cached. Instead, copy its Bluetooth address.
     virtual void DeviceChanged(BluetoothAdapter* adapter,
                                BluetoothDevice* device) {}
 
     // Called when address property of the device |device| known to the adapter
     // |adapter| change due to pairing.
     virtual void DeviceAddressChanged(BluetoothAdapter* adapter,
                                       BluetoothDevice* device,
                                       const std::string& old_address) {}
 
@@ skipping 497 matching lines @@
   std::set<BluetoothDiscoverySession*> discovery_sessions_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothAdapter> weak_ptr_factory_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_