Oilpan: move node/element rare data objects to the heap.

Source/core/dom/shadow/ElementShadow.cpp

Index: Source/core/dom/shadow/ElementShadow.cpp
diff --git a/Source/core/dom/shadow/ElementShadow.cpp b/Source/core/dom/shadow/ElementShadow.cpp
index 8be13446f18645649efdd25a428a4ea025891357..9ef9f384b0a839daf14c3682018a9a9476ae2f8c 100644
--- a/Source/core/dom/shadow/ElementShadow.cpp
+++ b/Source/core/dom/shadow/ElementShadow.cpp
@@ -122,9 +122,9 @@ inline void DistributionPool::detachNonDistributedNodes()
     }
 }
 
-PassOwnPtr<ElementShadow> ElementShadow::create()
+PassOwnPtrWillBeRawPtr<ElementShadow> ElementShadow::create()
 {
-    return adoptPtr(new ElementShadow());
+    return adoptPtrWillBeNoop(new ElementShadow());
 }
 
 ElementShadow::ElementShadow()
@@ -178,7 +178,6 @@ void ElementShadow::removeDetachedShadowRoots()
         oldRoot->setPrev(0);
         oldRoot->setNext(0);
     }
-
 }
 
 void ElementShadow::attach(const Node::AttachContext& context)