Oilpan: move SVG property hierarchy to the heap.

Source/core/rendering/svg/SVGRenderTreeAsText.cpp

Index: Source/core/rendering/svg/SVGRenderTreeAsText.cpp
diff --git a/Source/core/rendering/svg/SVGRenderTreeAsText.cpp b/Source/core/rendering/svg/SVGRenderTreeAsText.cpp
index 3e95b0c9fa035759de525f478ef2299887ed19a9..8cf3c9b065fcfa3fb36a60778baf5ea88ee4376e 100644
--- a/Source/core/rendering/svg/SVGRenderTreeAsText.cpp
+++ b/Source/core/rendering/svg/SVGRenderTreeAsText.cpp
@@ -289,7 +289,7 @@ static void writeStyle(TextStream& ts, const RenderObject& object)
             SVGLengthContext lengthContext(shape.element());
             double dashOffset = svgStyle.strokeDashOffset()->value(lengthContext);
             double strokeWidth = svgStyle.strokeWidth()->value(lengthContext);
-            RefPtr<SVGLengthList> dashes = svgStyle.strokeDashArray();
+            RefPtrWillBeRawPtr<SVGLengthList> dashes = svgStyle.strokeDashArray();
 
             DashArray dashArray;
             SVGLengthList::ConstIterator it = dashes->begin();
@@ -513,8 +513,8 @@ void writeSVGResourceContainer(TextStream& ts, const RenderObject& object, int i
         // Creating a placeholder filter which is passed to the builder.
         FloatRect dummyRect;
         IntRect dummyIntRect;
-        RefPtr<SVGFilter> dummyFilter = SVGFilter::create(dummyIntRect, dummyRect, dummyRect, true);
-        if (RefPtr<SVGFilterBuilder> builder = filter->buildPrimitives(dummyFilter.get())) {
+        RefPtrWillBeRawPtr<SVGFilter> dummyFilter = SVGFilter::create(dummyIntRect, dummyRect, dummyRect, true);
+        if (RefPtrWillBeRawPtr<SVGFilterBuilder> builder = filter->buildPrimitives(dummyFilter.get())) {
             if (FilterEffect* lastEffect = builder->lastEffect())
                 lastEffect->externalRepresentation(ts, indent + 1);
         }