Oilpan: Switch RefCountedGarbageCollected to GarbageCollectedFinalized for Node.

Source/core/dom/shadow/ShadowRoot.h

Index: Source/core/dom/shadow/ShadowRoot.h
diff --git a/Source/core/dom/shadow/ShadowRoot.h b/Source/core/dom/shadow/ShadowRoot.h
index 64b243973464cdc83e1ee4b92230ee208904ff78..52913e3725862141a24024e0164237626ea75a31 100644
--- a/Source/core/dom/shadow/ShadowRoot.h
+++ b/Source/core/dom/shadow/ShadowRoot.h
@@ -57,7 +57,7 @@ public:
 
     static PassRefPtrWillBeRawPtr<ShadowRoot> create(Document& document, ShadowRootType type)
     {
-        return adoptRefWillBeRefCountedGarbageCollected(new ShadowRoot(document, type));
+        return adoptRefWillBeNoop(new ShadowRoot(document, type));
     }
 
     void recalcStyle(StyleRecalcChange);