Make cssFloat an enumerable property of CSSStyleDeclaration

Source/core/css/CSSStyleDeclaration.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 2012 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 29 matching lines @@
     WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(CSSStyleDeclaration);
 public:
     virtual ~CSSStyleDeclaration() { }
 
 #if !ENABLE(OILPAN)
     virtual void ref() = 0;
     virtual void deref() = 0;
 #endif
 
     virtual CSSRule* parentRule() const = 0;
+    String cssFloat()
+    {
+        return getPropertyValueInternal(CSSPropertyFloat);
+    }
+    void setCSSFloat(const String& value, ExceptionState& exceptionState)
+    {
+        setPropertyInternal(CSSPropertyFloat, value, false, exceptionState);
+    }
     virtual String cssText() const = 0;
     virtual void setCSSText(const String&, ExceptionState&) = 0;
     virtual unsigned length() const = 0;
     virtual String item(unsigned index) const = 0;
     virtual String getPropertyValue(const String& propertyName) = 0;
     virtual String getPropertyPriority(const String& propertyName) = 0;
     virtual String getPropertyShorthand(const String& propertyName) = 0;
     virtual bool isPropertyImplicit(const String& propertyName) = 0;
     virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) = 0;
     virtual String removeProperty(const String& propertyName, ExceptionState&) = 0;
@@ skipping 10 matching lines @@
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
 protected:
     CSSStyleDeclaration() { }
 };
 
 } // namespace blink
 
 #endif // CSSStyleDeclaration_h