Revert 156733 "Refactoring DrawLooper so that it can apply shado..."

trunk/Source/core/rendering/RenderBoxModelObject.cpp

Index: trunk/Source/core/rendering/RenderBoxModelObject.cpp
===================================================================
--- trunk/Source/core/rendering/RenderBoxModelObject.cpp	(revision 156736)
+++ trunk/Source/core/rendering/RenderBoxModelObject.cpp	(working copy)
@@ -2513,10 +2513,10 @@
             }
 
             // Draw only the shadow.
-            RefPtr<DrawLooper> drawLooper(new DrawLooper);
-            drawLooper->addShadow(shadowOffset, shadowBlur, shadowColor,
+            DrawLooper drawLooper;
+            drawLooper.addShadow(shadowOffset, shadowBlur, shadowColor,
                 DrawLooper::ShadowRespectsTransforms, DrawLooper::ShadowIgnoresAlpha);
-            context->setDrawLooper(drawLooper.release());
+            context->setDrawLooper(drawLooper);
 
             if (hasBorderRadius) {
                 RoundedRect influenceRect(shadowRect, border.radii());