Replace RenderArena with PartitionAlloc.

Source/core/rendering/RenderReplica.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 27 matching lines @@
 {
     // This is a hack. Replicas are synthetic, and don't pick up the attributes of the
     // renderers being replicated, so they always report that they are inline, non-replaced.
     // However, we need transforms to be applied to replicas for reflections, so have to pass
     // the if (!isInline() || isReplaced()) check before setHasTransform().
     setReplaced(true);
 }
 
 RenderReplica* RenderReplica::createAnonymous(Document* document)
 {
-    RenderReplica* renderer = new (document->renderArena()) RenderReplica();
+    RenderReplica* renderer = new RenderReplica();
     renderer->setDocumentForAnonymous(document);
     return renderer;
 }
 
 RenderReplica::~RenderReplica()
 {
 }
     
 void RenderReplica::layout()
 {
@@ skipping 24 matching lines @@
         // computing using the wrong rootLayer
         RenderLayer* rootPaintingLayer = layer()->transform() ? layer()->parent() : layer()->enclosingTransformedAncestor();
         RenderLayer::LayerPaintingInfo paintingInfo(rootPaintingLayer, paintInfo.rect, PaintBehaviorNormal, LayoutSize(), 0, paintInfo.renderRegion);
         RenderLayer::PaintLayerFlags flags = RenderLayer::PaintLayerHaveTransparency | RenderLayer::PaintLayerAppliedTransform | RenderLayer::PaintLayerTemporaryClipRects | RenderLayer::PaintLayerPaintingReflection;
         layer()->parent()->paintLayer(paintInfo.context, paintingInfo, flags);
     } else if (paintInfo.phase == PaintPhaseMask)
         paintMask(paintInfo, adjustedPaintOffset);
 }
 
 } // namespace WebCore