change OVERRIDE to override in dbus/object_manager.h in comment

dbus/object_manager.h

 // Copyright (c) 2013 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 DBUS_OBJECT_MANAGER_H_
 #define DBUS_OBJECT_MANAGER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 61 matching lines @@
 // GetManagedObjects() after the implementation classes have been set up.
 //
 // The object manager interface class has one abstract method that must be
 // implemented by the class to create Properties structures on demand. As well
 // as implementing this, you will want to implement a public GetProperties()
 // method.
 //
 // Example:
 //   dbus::PropertySet* CreateProperties(dbus::ObjectProxy* object_proxy,
 //                                       const std::string& interface_name)
-//       OVERRIDE {
+//       override {
 //     Properties* properties = new Properties(
 //           object_proxy, interface_name,
 //           base::Bind(&PropertyChanged,
 //                      weak_ptr_factory_.GetWeakPtr(),
 //                      object_path));
 //     return static_cast<dbus::PropertySet*>(properties);
 //   }
 //
 //   Properties* GetProperties(const dbus::ObjectPath& object_path) {
 //     return static_cast<Properties*>(
@@ skipping 259 matching lines @@
   // 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<ObjectManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectManager);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_MANAGER_H_