Make use of new method for setting lengths in presentation style.

Source/core/svg/SVGForeignObjectElement.cpp

 /*
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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 73 matching lines @@
 {
     if (attrName == SVGNames::xAttr || attrName== SVGNames::yAttr
         || attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr)
         return true;
     return SVGGraphicsElement::isPresentationAttributeWithSVGDOM(attrName);
 }
 
 void SVGForeignObjectElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
 {
     RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
-    if (property == m_width || property == m_height) {
-        RefPtrWillBeRawPtr<SVGLength> length = SVGLength::create(LengthModeOther);
-        TrackExceptionState exceptionState;
-        length->setValueAsString(value, exceptionState);
-        if (!exceptionState.hadException()) {
-            if (property == m_width)
-                addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, value);
-            else if (property == m_height)
-                addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, value);
-        }
-    } else if (property == m_x) {
+    if (property == m_width)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, *m_width->currentValue());
+    else if (property == m_height)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, *m_height->currentValue());
+    else if (property == m_x)
         addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyX, *m_x->currentValue());
-    } else if (property == m_y) {
+    else if (property == m_y)
         addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyY, *m_y->currentValue());
-    } else {
+    else
         SVGGraphicsElement::collectStyleForPresentationAttribute(name, value, style);
-    }
 }
 
 void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGGraphicsElement::svgAttributeChanged(attrName);
         return;
     }
 
     SVGElement::InvalidationGuard invalidationGuard(this);
@@ skipping 38 matching lines @@
 
 bool SVGForeignObjectElement::selfHasRelativeLengths() const
 {
     return m_x->currentValue()->isRelative()
         || m_y->currentValue()->isRelative()
         || m_width->currentValue()->isRelative()
         || m_height->currentValue()->isRelative();
 }
 
 } // namespace blink