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

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 96 matching lines @@
     context->addConsoleMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, message));
 }
 
 namespace {
 
 class ReadableStreamSource : public GarbageCollectedFinalized<ReadableStreamSource>, public UnderlyingSource {
     USING_GARBAGE_COLLECTED_MIXIN(ReadableStreamSource);
 public:
     ReadableStreamSource(XMLHttpRequest* owner) : m_owner(owner) { }
     virtual ~ReadableStreamSource() { }
-    virtual void pullSource() OVERRIDE { }
-    virtual ScriptPromise cancelSource(ScriptState* scriptState, ScriptValue reason) OVERRIDE
+    virtual void pullSource() override { }
+    virtual ScriptPromise cancelSource(ScriptState* scriptState, ScriptValue reason) override
     {
         m_owner->abort();
         return ScriptPromise::cast(scriptState, v8::Undefined(scriptState->isolate()));
     }
-    virtual void trace(Visitor* visitor) OVERRIDE
+    virtual void trace(Visitor* visitor) override
     {
         visitor->trace(m_owner);
         UnderlyingSource::trace(visitor);
     }
 
 private:
     // This is RawPtr in non-oilpan build to avoid the reference cycle. To
     // avoid use-after free, the associated ReadableStream must be closed
     // or errored when m_owner is gone.
     RawPtrWillBeMember<XMLHttpRequest> m_owner;
@@ skipping 1524 matching lines @@
     visitor->trace(m_streamSource);
     visitor->trace(m_responseDocument);
     visitor->trace(m_responseDocumentParser);
     visitor->trace(m_progressEventThrottle);
     visitor->trace(m_upload);
     visitor->trace(m_blobLoader);
     XMLHttpRequestEventTarget::trace(visitor);
 }
 
 } // namespace blink