bluetoothLowEnergy: Send onServiceAdded after all characteristics are discovered

chromeos/dbus/fake_bluetooth_gatt_service_client.cc

 // 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.
 
 #include "chromeos/dbus/fake_bluetooth_gatt_service_client.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
@@ skipping 164 matching lines @@
 void FakeBluetoothGattServiceClient::ExposeHeartRateCharacteristics() {
   if (!IsHeartRateVisible()) {
     VLOG(2) << "Heart Rate service not visible. Not exposing characteristics.";
     return;
   }
   FakeBluetoothGattCharacteristicClient* char_client =
       static_cast<FakeBluetoothGattCharacteristicClient*>(
           DBusThreadManager::Get()->GetBluetoothGattCharacteristicClient());
   char_client->ExposeHeartRateCharacteristics(
       dbus::ObjectPath(heart_rate_service_path_));
+
+  std::vector<dbus::ObjectPath> char_paths;
+  char_paths.push_back(char_client->GetHeartRateMeasurementPath());
+  char_paths.push_back(char_client->GetBodySensorLocationPath());
+  char_paths.push_back(char_client->GetHeartRateControlPointPath());
+
+  heart_rate_service_properties_->characteristics.ReplaceValue(char_paths);
 }
 
 }  // namespace chromeos