Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/loader

Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 69 matching lines @@
     }
 
     Task(ImageLoader* loader, UpdateFromElementBehavior updateBehavior)
         : m_loader(loader)
         , m_shouldBypassMainWorldCSP(shouldBypassMainWorldCSP(loader))
         , m_weakFactory(this)
         , m_updateBehavior(updateBehavior)
     {
     }
 
-    virtual void run() OVERRIDE
+    virtual void run() override
     {
         if (m_loader) {
             m_loader->doUpdateFromElement(m_shouldBypassMainWorldCSP, m_updateBehavior);
         }
     }
 
     void clearLoader()
     {
         m_loader = 0;
     }
@@ skipping 470 matching lines @@
 }
 
 #if ENABLE(OILPAN)
 ImageLoader::ImageLoaderClientRemover::~ImageLoaderClientRemover()
 {
     m_loader.willRemoveClient(m_client);
 }
 #endif
 
 }