Use mayNotBeMainThread() for wrapper optimization

third_party/WebKit/Source/bindings/core/v8/ToV8.h

Index: third_party/WebKit/Source/bindings/core/v8/ToV8.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ToV8.h b/third_party/WebKit/Source/bindings/core/v8/ToV8.h
index 76aa60c08e36ed2c455bc6b6f7b11c441519079b..012185924ed5fd4a2f0d47facdd24392c32bdb19 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ToV8.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ToV8.h
@@ -46,15 +46,7 @@ inline v8::Local<v8::Value> ToV8(ScriptWrappable* impl,
 inline v8::Local<v8::Value> ToV8(Node* impl,
                                  v8::Local<v8::Object> creationContext,
                                  v8::Isolate* isolate) {
-  if (UNLIKELY(!impl))
-    return v8::Null(isolate);
-  v8::Local<v8::Value> wrapper = DOMDataStore::getWrapper(impl, isolate);
-  if (!wrapper.IsEmpty())
-    return wrapper;
-
-  wrapper = ScriptWrappable::fromNode(impl)->wrap(isolate, creationContext);
-  DCHECK(!wrapper.IsEmpty());
-  return wrapper;
+  return ToV8(ScriptWrappable::fromNode(impl), creationContext, isolate);
 }
 
 // Special versions for DOMWindow and EventTarget