Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGStyledTransformableElement.cpp

Index: Source/core/svg/SVGStyledTransformableElement.cpp
diff --git a/Source/core/svg/SVGStyledTransformableElement.cpp b/Source/core/svg/SVGStyledTransformableElement.cpp
index 153faab9049a8af30791d409e681709dce4a22d7..5f0b611e82f770bb1ca503415572bdd510f1bd11 100644
--- a/Source/core/svg/SVGStyledTransformableElement.cpp
+++ b/Source/core/svg/SVGStyledTransformableElement.cpp
@@ -151,10 +151,10 @@ FloatRect SVGStyledTransformableElement::getBBox(StyleUpdateStrategy styleUpdate
     return SVGTransformable::getBBox(this, styleUpdateStrategy);
 }
 
-RenderObject* SVGStyledTransformableElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGStyledTransformableElement::createRenderer(RenderStyle*)
 {
     // By default, any subclass is expected to do path-based drawing
-    return new (arena) RenderSVGPath(this);
+    return new RenderSVGPath(this);
 }
 
 void SVGStyledTransformableElement::toClipPath(Path& path)