Remove usage of FOR_EACH_OBSERVER macro in device/

device/bluetooth/dbus/fake_bluetooth_gatt_descriptor_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_descriptor_client.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 178 matching lines @@
   delete iter->second;
   properties_.erase(iter);
 }
 
 void FakeBluetoothGattDescriptorClient::OnPropertyChanged(
     const dbus::ObjectPath& object_path,
     const std::string& property_name) {
   VLOG(2) << "Descriptor property changed: " << object_path.value() << ": "
           << property_name;
 
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorPropertyChanged(object_path, property_name));
+  for (auto& observer : observers_)
+    observer.GattDescriptorPropertyChanged(object_path, property_name);
 }
 
 void FakeBluetoothGattDescriptorClient::NotifyDescriptorAdded(
     const dbus::ObjectPath& object_path) {
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorAdded(object_path));
+  for (auto& observer : observers_)
+    observer.GattDescriptorAdded(object_path);
 }
 
 void FakeBluetoothGattDescriptorClient::NotifyDescriptorRemoved(
     const dbus::ObjectPath& object_path) {
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorRemoved(object_path));
+  for (auto& observer : observers_)
+    observer.GattDescriptorRemoved(object_path);
 }
 
 }  // namespace bluez