Use Length for the stroke-width property in SVGLayoutStyle

Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 453 matching lines @@
 FloatRect LayoutSVGText::strokeBoundingBox() const
 {
     FloatRect strokeBoundaries = objectBoundingBox();
     const SVGLayoutStyle& svgStyle = style()->svgStyle();
     if (!svgStyle.hasStroke())
         return strokeBoundaries;
 
     ASSERT(node());
     ASSERT(node()->isSVGElement());
     SVGLengthContext lengthContext(toSVGElement(node()));
-    strokeBoundaries.inflate(svgStyle.strokeWidth()->value(lengthContext));
+    strokeBoundaries.inflate(lengthContext.valueForLength(svgStyle.strokeWidth()));
     return strokeBoundaries;
 }
 
 FloatRect LayoutSVGText::paintInvalidationRectInLocalCoordinates() const
 {
     FloatRect paintInvalidationRect = strokeBoundingBox();
     SVGLayoutSupport::intersectPaintInvalidationRectWithResources(this, paintInvalidationRect);
 
     if (const ShadowList* textShadow = style()->textShadow())
         textShadow->adjustRectForShadow(paintInvalidationRect);
@@ skipping 14 matching lines @@
     SVGResourcesCache::clientWillBeRemovedFromTree(child);
 
     Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
     FontCachePurgePreventer fontCachePurgePreventer;
     subtreeChildWillBeRemoved(child, affectedAttributes);
     LayoutSVGBlock::removeChild(child);
     subtreeChildWasRemoved(affectedAttributes);
 }
 
 }