[svg2] Make 'width' and 'height' presentation attributes

Source/core/layout/svg/LayoutSVGForeignObject.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2010. 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 75 matching lines @@
     if (m_needsTransformUpdate) {
         m_localTransform = foreign->calculateAnimatedLocalTransform();
         m_needsTransformUpdate = false;
         updateCachedBoundariesInParents = true;
     }
 
     FloatRect oldViewport = m_viewport;
 
     // Cache viewport boundaries
     SVGLengthContext lengthContext(foreign);
-    FloatPoint viewportLocation(foreign->x()->currentValue()->value(lengthContext), foreign->y()->currentValue()->value(lengthContext));
-    m_viewport = FloatRect(viewportLocation, FloatSize(foreign->width()->currentValue()->value(lengthContext), foreign->height()->currentValue()->value(lengthContext)));
+    FloatPoint viewportLocation(
+        lengthContext.valueForLength(styleRef().svgStyle().x(), styleRef(), SVGLengthMode::Width),
+        lengthContext.valueForLength(styleRef().svgStyle().y(), styleRef(), SVGLengthMode::Height));
+    m_viewport = FloatRect(viewportLocation, FloatSize(
+        lengthContext.valueForLength(styleRef().width(), styleRef(), SVGLengthMode::Width),
+        lengthContext.valueForLength(styleRef().height(), styleRef(), SVGLengthMode::Height)));
     if (!updateCachedBoundariesInParents)
         updateCachedBoundariesInParents = oldViewport != m_viewport;
 
     // Set box origin to the foreignObject x/y translation, so positioned objects in XHTML content get correct
     // positions. A regular LayoutBoxModelObject would pull this information from LayoutStyle - in SVG those
     // properties are ignored for non <svg> elements, so we mimic what happens when specifying them through CSS.
 
     // FIXME: Investigate in location rounding issues - only affects LayoutSVGForeignObject & LayoutSVGText
     setLocation(roundedIntPoint(viewportLocation));
 
@@ skipping 27 matching lines @@
         return false;
 
     // FOs establish a stacking context, so we need to hit-test all layers.
     HitTestLocation hitTestLocation(roundedLayoutPoint(localPoint));
     return LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestForeground)
         || LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestFloat)
         || LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestChildBlockBackgrounds);
 }
 
 }