Remove usage of FOR_EACH_OBSERVER macro in device/

device/bluetooth/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 "device/bluetooth/dbus/fake_bluetooth_gatt_service_client.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 163 matching lines @@
 
 dbus::ObjectPath FakeBluetoothGattServiceClient::GetBatteryServicePath() const {
   return dbus::ObjectPath(battery_service_path_);
 }
 
 void FakeBluetoothGattServiceClient::OnPropertyChanged(
     const dbus::ObjectPath& object_path,
     const std::string& property_name) {
   VLOG(2) << "Fake GATT Service property changed: " << object_path.value()
           << ": " << property_name;
-  FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                    GattServicePropertyChanged(object_path, property_name));
+  for (auto& observer : observers_)
+    observer.GattServicePropertyChanged(object_path, property_name);
 }
 
 void FakeBluetoothGattServiceClient::NotifyServiceAdded(
     const dbus::ObjectPath& object_path) {
   VLOG(2) << "GATT service added: " << object_path.value();
-  FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                    GattServiceAdded(object_path));
+  for (auto& observer : observers_)
+    observer.GattServiceAdded(object_path);
 }
 
 void FakeBluetoothGattServiceClient::NotifyServiceRemoved(
     const dbus::ObjectPath& object_path) {
   VLOG(2) << "GATT service removed: " << object_path.value();
-  FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                    GattServiceRemoved(object_path));
+  for (auto& observer : observers_)
+    observer.GattServiceRemoved(object_path);
 }
 
 void FakeBluetoothGattServiceClient::ExposeHeartRateCharacteristics() {
   if (!IsHeartRateVisible()) {
     VLOG(2) << "Heart Rate service not visible. Not exposing characteristics.";
     return;
   }
   FakeBluetoothGattCharacteristicClient* char_client =
       static_cast<FakeBluetoothGattCharacteristicClient*>(
           bluez::BluezDBusManager::Get()
               ->GetBluetoothGattCharacteristicClient());
   char_client->ExposeHeartRateCharacteristics(
       dbus::ObjectPath(heart_rate_service_path_));
 }
 
 }  // namespace bluez