Move zoom handling for x and y properties to svg

Source/core/layout/svg/SVGPathData.cpp

 /*
  * Copyright (C) Research In Motion Limited 2011. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 98 matching lines @@
     SVGLengthContext lengthContext(element);
     float width = rect->width()->currentValue()->value(lengthContext);
     if (width < 0)
         return;
     float height = rect->height()->currentValue()->value(lengthContext);
     if (height < 0)
         return;
     if (!width && !height)
         return;
 
-    const SVGLayoutStyle& style = rect->renderer()->style()->svgStyle();
-    float x = lengthContext.valueForLength(style.x(), LengthModeWidth);
-    float y = lengthContext.valueForLength(style.y(), LengthModeHeight);
+    const LayoutStyle& style = rect->renderer()->styleRef();
+    float x = lengthContext.valueForLength(style.svgStyle().x(), style, LengthModeWidth);
+    float y = lengthContext.valueForLength(style.svgStyle().y(), style, LengthModeHeight);
     float rx = rect->rx()->currentValue()->value(lengthContext);
     float ry = rect->ry()->currentValue()->value(lengthContext);
     bool hasRx = rx > 0;
     bool hasRy = ry > 0;
     if (hasRx || hasRy) {
         if (!hasRx)
             rx = ry;
         else if (!hasRy)
             ry = rx;
 
@@ skipping 20 matching lines @@
         map->set(polygonTag.localName().impl(), updatePathFromPolygonElement);
         map->set(polylineTag.localName().impl(), updatePathFromPolylineElement);
         map->set(rectTag.localName().impl(), updatePathFromRectElement);
     }
 
     if (PathUpdateFunction pathUpdateFunction = map->get(element->localName().impl()))
         (*pathUpdateFunction)(element, path);
 }
 
 } // namespace blink