Add use counters for using Attrs as Nodes.

Source/bindings/tests/results/V8TestObject.cpp

Index: Source/bindings/tests/results/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/V8TestObject.cpp b/Source/bindings/tests/results/V8TestObject.cpp
index 0dbd87b867977f85413cfe24937943649ed2b873..747d9612ac43351968e317d5fce17b9cc75a9ee9 100644
--- a/Source/bindings/tests/results/V8TestObject.cpp
+++ b/Source/bindings/tests/results/V8TestObject.cpp
@@ -35,6 +35,7 @@
 
 #include "HTMLNames.h"
 #include "RuntimeEnabledFeatures.h"
+#include "V8Attr.h"
 #include "V8DOMStringList.h"
 #include "V8Document.h"
 #include "V8MessagePort.h"
@@ -5061,6 +5062,10 @@ static void variadicNodeMethodMethod(const v8::FunctionCallbackInfo<v8::Value>&
 static void variadicNodeMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
+    if (V8DOMWrapper::isWrapperOfType(info[0], &V8Attr::wrapperTypeInfo))
+        UseCounter::count(activeExecutionContext(), UseCounter::AttrUsedAsNodeParameter);
+    if (V8DOMWrapper::isWrapperOfType(info[1], &V8Attr::wrapperTypeInfo))
+        UseCounter::count(activeExecutionContext(), UseCounter::AttrUsedAsNodeParameter);
     TestObjV8Internal::variadicNodeMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }