CSSValue Immediates: Make CSSPrimitiveValue a container

Source/core/svg/SVGLength.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 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.
  *
@@ skipping 312 matching lines @@
         ASSERT(value->primitiveType() == CSSPrimitiveValue::CSS_PC);
         svgType = LengthTypePC;
         break;
     };
 
     RefPtrWillBeRawPtr<SVGLength> length = SVGLength::create();
     length->newValueSpecifiedUnits(svgType, value->getFloatValue());
     return length.release();
 }
 
-PassRefPtrWillBeRawPtr<CSSPrimitiveValue> SVGLength::toCSSPrimitiveValue(PassRefPtrWillBeRawPtr<SVGLength> passLength)
+CSSPrimitiveValue SVGLength::toCSSPrimitiveValue(PassRefPtrWillBeRawPtr<SVGLength> passLength)
 {
     RefPtrWillBeRawPtr<SVGLength> length = passLength;
 
     CSSPrimitiveValue::UnitType cssType = CSSPrimitiveValue::CSS_UNKNOWN;
     switch (length->unitType()) {
     case LengthTypeUnknown:
         break;
     case LengthTypeNumber:
         cssType = CSSPrimitiveValue::CSS_NUMBER;
         break;
@@ skipping 140 matching lines @@
 
 float SVGLength::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, SVGElement* contextElement)
 {
     SVGLengthContext lengthContext(contextElement);
     RefPtrWillBeRawPtr<SVGLength> toLength = toSVGLength(toValue);
 
     return fabsf(toLength->value(lengthContext) - value(lengthContext));
 }
 
 }