[SVG] SVGLength{,List} migration to new SVG property impl.

Source/core/svg/SVGLengthContext.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * 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.
@@ skipping 29 matching lines @@
     : m_context(context)
 {
 }
 
 SVGLengthContext::SVGLengthContext(const SVGElement* context, const FloatRect& viewport)
     : m_context(context)
     , m_overridenViewport(viewport)
 {
 }
 
-FloatRect SVGLengthContext::resolveRectangle(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const FloatRect& viewport, const SVGLength& x, const SVGLength& y, const SVGLength& width, const SVGLength& height)
+FloatRect SVGLengthContext::resolveRectangle(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const FloatRect& viewport, PassRefPtr<SVGLength> passX, PassRefPtr<SVGLength> passY, PassRefPtr<SVGLength> passWidth, PassRefPtr<SVGLength> passHeight)
 {
+    RefPtr<SVGLength> x = passX;
+    RefPtr<SVGLength> y = passY;
+    RefPtr<SVGLength> width = passWidth;
+    RefPtr<SVGLength> height = passHeight;
+
     ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
     if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
         SVGLengthContext lengthContext(context);
-        return FloatRect(x.value(lengthContext), y.value(lengthContext), width.value(lengthContext), height.value(lengthContext));
+        return FloatRect(x->value(lengthContext), y->value(lengthContext), width->value(lengthContext), height->value(lengthContext));
     }
 
     SVGLengthContext lengthContext(context, viewport);
-    return FloatRect(x.value(lengthContext) + viewport.x(),
-                     y.value(lengthContext) + viewport.y(),
-                     width.value(lengthContext),
-                     height.value(lengthContext));
+    return FloatRect(
+        x->value(lengthContext) + viewport.x(),
+        y->value(lengthContext) + viewport.y(),
+        width->value(lengthContext),
+        height->value(lengthContext));
 }
 
-FloatPoint SVGLengthContext::resolvePoint(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const SVGLength& x, const SVGLength& y)
+FloatPoint SVGLengthContext::resolvePoint(const SVGElement* context, SVGUnitTypes::SVGUnitType type, PassRefPtr<SVGLength> passX, PassRefPtr<SVGLength> passY)
 {
+    RefPtr<SVGLength> x = passX;
+    RefPtr<SVGLength> y = passY;
+
     ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
     if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
         SVGLengthContext lengthContext(context);
-        return FloatPoint(x.value(lengthContext), y.value(lengthContext));
+        return FloatPoint(x->value(lengthContext), y->value(lengthContext));
     }
 
     // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need to be resolved in user space and then be considered in objectBoundingBox space.
-    return FloatPoint(x.valueAsPercentage(), y.valueAsPercentage());
+    return FloatPoint(x->valueAsPercentage(), y->valueAsPercentage());
 }
 
-float SVGLengthContext::resolveLength(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const SVGLength& x)
+float SVGLengthContext::resolveLength(const SVGElement* context, SVGUnitTypes::SVGUnitType type, PassRefPtr<SVGLength> passX)
 {
+    RefPtr<SVGLength> x = passX;
+
     ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
     if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
         SVGLengthContext lengthContext(context);
-        return x.value(lengthContext);
+        return x->value(lengthContext);
     }
 
     // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need to be resolved in user space and then be considered in objectBoundingBox space.
-    return x.valueAsPercentage();
+    return x->valueAsPercentage();
 }
 
 float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode, SVGLengthType fromUnit, ExceptionState& exceptionState) const
 {
     // If the SVGLengthContext carries a custom viewport, force resolving against it.
     if (!m_overridenViewport.isEmpty()) {
         // 100% = 100.0 instead of 1.0 for historical reasons, this could eventually be changed
         if (fromUnit == LengthTypePercentage)
             value /= 100;
         return convertValueFromPercentageToUserUnits(value, mode, exceptionState);
@@ skipping 204 matching lines @@
 
     const SVGSVGElement* svg = toSVGSVGElement(viewportElement);
     viewportSize = svg->currentViewBoxRect().size();
     if (viewportSize.isEmpty())
         viewportSize = svg->currentViewportSize();
 
     return true;
 }
 
 }