Use Length for the stroke-width property in SVGLayoutStyle

Source/core/layout/style/SVGLayoutStyle.cpp

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2010 Rob Buis <buis@kde.org>
     Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
     Based on khtml code by:
     Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
     Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
     Copyright (C) 2002-2003 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Apple Computer, Inc.
@@ skipping 157 matching lines @@
     if (svg_inherited_flags._capStyle != other->svg_inherited_flags._capStyle
         || svg_inherited_flags._joinStyle != other->svg_inherited_flags._joinStyle)
         return true;
 
     // vector-effect changes require a re-layout.
     if (svg_noninherited_flags.f._vectorEffect != other->svg_noninherited_flags.f._vectorEffect)
         return true;
 
     // Some stroke properties, requires relayouts, as the cached stroke boundaries need to be recalculated.
     if (stroke.get() != other->stroke.get()) {
-        if (*stroke->width != *other->stroke->width
+        if (stroke->width != other->stroke->width
             || stroke->paintType != other->stroke->paintType
             || stroke->paintColor != other->stroke->paintColor
             || stroke->paintUri != other->stroke->paintUri
             || stroke->miterLimit != other->stroke->miterLimit
             || *stroke->dashArray != *other->stroke->dashArray
             || stroke->dashOffset != other->stroke->dashOffset
             || stroke->visitedLinkPaintColor != other->stroke->visitedLinkPaintColor
             || stroke->visitedLinkPaintUri != other->stroke->visitedLinkPaintUri
             || stroke->visitedLinkPaintType != other->stroke->visitedLinkPaintType)
             return true;
@@ skipping 57 matching lines @@
 }
 
 EPaintOrderType SVGLayoutStyle::paintOrderType(unsigned index) const
 {
     ASSERT(index < ((1 << kPaintOrderBitwidth)-1));
     unsigned pt = (paintOrder() >> (kPaintOrderBitwidth*index)) & ((1u << kPaintOrderBitwidth) - 1);
     return (EPaintOrderType)pt;
 }
 
 }