Replace more ObserverList with base::ObserverList.

chromeos/dbus/fake_bluetooth_gatt_service_client.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 CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 72 matching lines @@
   // retrieval of characteristics. If the Heart Rate Service is hidden at the
   // time this method is called, then it does nothing.
   void ExposeHeartRateCharacteristics();
 
   // Static properties we return. As long as a service is exposed, this will be
   // non-null. Otherwise it will be null.
   scoped_ptr<Properties> heart_rate_service_properties_;
   std::string heart_rate_service_path_;
 
   // List of observers interested in event notifications from us.
-  ObserverList<Observer> observers_;
+  base::ObserverList<Observer> observers_;
 
   // Weak pointer factory for generating 'this' pointers that might live longer
   // than we do.
   // 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<FakeBluetoothGattServiceClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattServiceClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_