Oilpan: Move the EventListener hierarchy to Oilpan's heap

Source/bindings/core/v8/V8ErrorHandler.h

Index: Source/bindings/core/v8/V8ErrorHandler.h
diff --git a/Source/bindings/core/v8/V8ErrorHandler.h b/Source/bindings/core/v8/V8ErrorHandler.h
index ab1d8f0a71f3d95a88d614aa606ae56e0748ee16..05ac3847d54e106fd4a91825635c78be301a5dc4 100644
--- a/Source/bindings/core/v8/V8ErrorHandler.h
+++ b/Source/bindings/core/v8/V8ErrorHandler.h
@@ -41,9 +41,9 @@ class ErrorEvent;
 
 class V8ErrorHandler final : public V8EventListener {
 public:
-    static PassRefPtr<V8ErrorHandler> create(v8::Local<v8::Object> listener, bool isInline, ScriptState* scriptState)
+    static PassRefPtrWillBeRawPtr<V8ErrorHandler> create(v8::Local<v8::Object> listener, bool isInline, ScriptState* scriptState)
     {
-        return adoptRef(new V8ErrorHandler(listener, isInline, scriptState));
+        return adoptRefWillBeNoop(new V8ErrorHandler(listener, isInline, scriptState));
     }
     static void storeExceptionOnErrorEventWrapper(v8::Isolate*, ErrorEvent*, v8::Local<v8::Value>, v8::Local<v8::Object> creationContext);