CSSStyleDeclaration.cssFloat is not enumerated property

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * 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 385 matching lines @@
     }
 
     return result.toString();
 }
 
 void CSSComputedStyleDeclaration::setCSSText(const String&, ExceptionState& exceptionState)
 {
     exceptionState.throwDOMException(NoModificationAllowedError, "These styles are computed, and therefore read-only.");
 }
 
+String CSSComputedStyleDeclaration::cssFloat() const
+{
+    return getPropertyValue(CSSPropertyFloat);
+}
+
+void CSSComputedStyleDeclaration::setCSSFloat(const String&, ExceptionState& exceptionState)
+{
+}
+
 static CSSValueID cssIdentifierForFontSizeKeyword(int keywordSize)
 {
     ASSERT_ARG(keywordSize, keywordSize);
     ASSERT_ARG(keywordSize, keywordSize <= 8);
     return static_cast<CSSValueID>(CSSValueXxSmall + keywordSize - 1);
 }
 
 inline static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> zoomAdjustedPixelValue(double value, const ComputedStyle& style)
 {
     return cssValuePool().createValue(adjustFloatForAbsoluteZoom(value, style), CSSPrimitiveValue::CSS_PX);
@@ skipping 276 matching lines @@
     exceptionState.throwDOMException(NoModificationAllowedError, "These styles are computed, and therefore the '" + getPropertyNameString(id) + "' property is read-only.");
 }
 
 DEFINE_TRACE(CSSComputedStyleDeclaration)
 {
     visitor->trace(m_node);
     CSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink