Get rid of custom code for HTMLLinkElement.sizes attribute setter

Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 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
@@ skipping 78 matching lines @@
 {
     if (name == relAttr) {
         m_relAttribute = LinkRelAttribute(value);
         process();
     } else if (name == hrefAttr) {
         process();
     } else if (name == typeAttr) {
         m_type = value;
         process();
     } else if (name == sizesAttr) {
-        setSizes(value);
+        m_sizes->setValue(value);
         process();
     } else if (name == mediaAttr) {
         m_media = value.string().lower();
         process();
     } else if (name == disabledAttr) {
         if (LinkStyle* link = linkStyle())
             link->setDisabledState(!value.isNull());
     } else if (name == onbeforeloadAttr)
         setAttributeEventListener(EventTypeNames::beforeload, createAttributeEventListener(this, name, value));
     else {
@@ skipping 248 matching lines @@
     // Walk the URLs linked by the linked-to stylesheet.
     if (CSSStyleSheet* styleSheet = const_cast<HTMLLinkElement*>(this)->sheet())
         styleSheet->contents()->addSubresourceStyleURLs(urls);
 }
 
 DOMSettableTokenList* HTMLLinkElement::sizes() const
 {
     return m_sizes.get();
 }
 
-void HTMLLinkElement::setSizes(const String& value)
-{
-    m_sizes->setValue(value);
-}
-
-
 PassRefPtr<LinkStyle> LinkStyle::create(HTMLLinkElement* owner)
 {
     return adoptRef(new LinkStyle(owner));
 }
 
 LinkStyle::LinkStyle(HTMLLinkElement* owner)
     : LinkResource(owner)
     , m_disabledState(Unset)
     , m_pendingSheetType(None)
     , m_loading(false)
@@ skipping 255 matching lines @@
 void LinkStyle::ownerRemoved()
 {
     if (m_sheet)
         clearSheet();
 
     if (styleSheetIsLoading())
         removePendingSheet(RemovePendingSheetNotifyLater);
 }
 
 } // namespace WebCore