Parse the link element's size attribute

Source/core/html/HTMLLinkElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
  * 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 115 matching lines @@
     KURL href() const;
     const AtomicString& rel() const;
     String media() const { return m_media; }
     String typeValue() const { return m_type; }
     const LinkRelAttribute& relAttribute() const { return m_relAttribute; }
 
     const AtomicString& type() const;
 
     IconType iconType() const;
 
-    // the icon size string as parsed from the HTML attribute
-    const AtomicString& iconSizes() const;
+    // the icon sizes as parsed from the HTML attribute
+    const Vector<IntSize>& iconSizes() const;
 
     bool async() const;
 
     CSSStyleSheet* sheet() const { return linkStyle() ? linkStyle()->sheet() : 0; }
     Document* import() const;
 
     bool styleSheetIsLoading() const;
 
     bool isImport() const { return linkImport(); }
     bool importOwnsLoader() const;
     bool isDisabled() const { return linkStyle() && linkStyle()->isDisabled(); }
     bool isEnabledViaScript() const { return linkStyle() && linkStyle()->isEnabledViaScript(); }
     DOMSettableTokenList* sizes() const;
 
     void dispatchPendingEvent(LinkEventSender*);
     void scheduleEvent();
     void dispatchEventImmediately();
     static void dispatchPendingLoadEvents();
 
     // From LinkLoaderClient
     virtual bool shouldLoadLink() OVERRIDE;
 
     // For LinkStyle
     bool loadLink(const String& type, const KURL&);
     bool isAlternate() const { return linkStyle()->isUnset() && m_relAttribute.isAlternate(); }
     bool shouldProcessStyle() { return linkResourceToProcess() && linkStyle(); }
     bool isCreatedByParser() const { return m_createdByParser; }
 
+    // Parse the icon size attribute into |iconSizes|, make this method public
+    // visible for testing purpose.
+    static void parseSizesAttribute(const AtomicString& value, Vector<IntSize>& iconSizes);
+
 private:
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
 
     LinkStyle* linkStyle() const;
     LinkImport* linkImport() const;
     LinkResource* linkResourceToProcess();
 
     void process();
     static void processCallback(Node*);
 
@@ skipping 16 matching lines @@
 
 private:
     HTMLLinkElement(Document&, bool createdByParser);
 
     OwnPtr<LinkResource> m_link;
     LinkLoader m_linkLoader;
 
     String m_type;
     String m_media;
     RefPtr<DOMSettableTokenList> m_sizes;
+    Vector<IntSize> m_iconSizes;
     LinkRelAttribute m_relAttribute;
 
     bool m_createdByParser;
     bool m_isInShadowTree;
     int m_beforeLoadRecurseCount;
 };
 
 } //namespace
 
 #endif