Remove unneeded getters/setters

Source/core/html/HTMLImageElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 398 matching lines @@
 bool HTMLImageElement::hasLegalLinkAttribute(const QualifiedName& name) const
 {
     return name == srcAttr || HTMLElement::hasLegalLinkAttribute(name);
 }
 
 const QualifiedName& HTMLImageElement::subResourceAttributeName() const
 {
     return srcAttr;
 }
 
-const AtomicString& HTMLImageElement::alt() const
-{
-    return fastGetAttribute(altAttr);
-}
-
 bool HTMLImageElement::draggable() const
 {
     // Image elements are draggable by default.
     return !equalIgnoringCase(getAttribute(draggableAttr), "false");
 }
 
 void HTMLImageElement::setHeight(int value)
 {
     setIntegralAttribute(heightAttr, value);
 }
@@ skipping 149 matching lines @@
     else
         imageLoader().updateFromElement();
 }
 
 const KURL& HTMLImageElement::sourceURL() const
 {
     return cachedImage()->response().url();
 }
 
 }