bluetoothLowEnergy: Send onServiceAdded after all characteristics are discovered

device/bluetooth/bluetooth_remote_gatt_service_chromeos.h

 // Copyright 2014 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_REMOTE_GATT_SERVICE_CHROMEOS_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 128 matching lines @@
   BluetoothDeviceChromeOS* device_;
 
   // Mapping from GATT characteristic object paths to characteristic objects.
   // owned by this service. Since the Chrome OS implementation uses object
   // paths as unique identifiers, we also use this mapping to return
   // characteristics by identifier.
   typedef std::map<dbus::ObjectPath, BluetoothRemoteGattCharacteristicChromeOS*>
       CharacteristicMap;
   CharacteristicMap characteristics_;
 
+  // Indicates whether or not the characteristics of this service are known to
+  // have been discovered.
+  bool discovery_complete_;
+
   // 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<BluetoothRemoteGattServiceChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceChromeOS);
 };
 
 }  // namespace chromeos
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_