Only communicate CSSPrimitiveValue references from SVGLength

third_party/WebKit/Source/core/svg/SVGSVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Google, Inc.
  *
  * 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 220 matching lines @@
     return false;
   return SVGGraphicsElement::isPresentationAttributeWithSVGDOM(attrName);
 }
 
 void SVGSVGElement::collectStyleForPresentationAttribute(
     const QualifiedName& name,
     const AtomicString& value,
     MutableStylePropertySet* style) {
   SVGAnimatedPropertyBase* property = propertyFromAttribute(name);
   if (property == m_x) {
-    addPropertyToPresentationAttributeStyle(
-        style, CSSPropertyX, m_x->currentValue()->asCSSPrimitiveValue());
+    addPropertyToPresentationAttributeStyle(style, CSSPropertyX,
+                                            m_x->cssValue());
   } else if (property == m_y) {
-    addPropertyToPresentationAttributeStyle(
-        style, CSSPropertyY, m_y->currentValue()->asCSSPrimitiveValue());
+    addPropertyToPresentationAttributeStyle(style, CSSPropertyY,
+                                            m_y->cssValue());
   } else if (isOutermostSVGSVGElement() &&
              (property == m_width || property == m_height)) {
-    if (property == m_width)
-      addPropertyToPresentationAttributeStyle(
-          style, CSSPropertyWidth,
-          m_width->currentValue()->asCSSPrimitiveValue());
-    else if (property == m_height)
-      addPropertyToPresentationAttributeStyle(
-          style, CSSPropertyHeight,
-          m_height->currentValue()->asCSSPrimitiveValue());
+    if (property == m_width) {
+      addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth,
+                                              m_width->cssValue());
+    } else if (property == m_height) {
+      addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight,
+                                              m_height->cssValue());
+    }
   } else {
     SVGGraphicsElement::collectStyleForPresentationAttribute(name, value,
                                                              style);
   }
 }
 
 void SVGSVGElement::svgAttributeChanged(const QualifiedName& attrName) {
   bool updateRelativeLengthsOrViewBox = false;
   bool widthOrHeightChanged =
       attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr;
@@ skipping 524 matching lines @@
   visitor->trace(m_width);
   visitor->trace(m_height);
   visitor->trace(m_translation);
   visitor->trace(m_timeContainer);
   visitor->trace(m_viewSpec);
   SVGGraphicsElement::trace(visitor);
   SVGFitToViewBox::trace(visitor);
 }
 
 }  // namespace blink