Add use counters for using Attrs as Nodes.

Source/bindings/tests/results/V8TestObjectPython.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1026 matching lines @@
 static void nodeAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     V8TRYCATCH_VOID(Node*, cppValue, V8Node::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setNodeAttribute(WTF::getPtr(cppValue));
 }
 
 static void nodeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
+    if (V8DOMWrapper::isWrapperOfType(jsValue, &V8Attr::wrapperTypeInfo))
+        UseCounter::count(activeExecutionContext(), UseCounter::AttrUsedAsNodeParameter);
     TestObjectPythonV8Internal::nodeAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void shadowRootAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->shadowRootAttribute(), imp);
 }
 
@@ skipping 2990 matching lines @@
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     V8TRYCATCH_VOID(Node*, nodeArg, V8Node::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     imp->voidMethodNodeArg(nodeArg);
 }
 
 static void voidMethodNodeArgMethodCallback(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);
     TestObjectPythonV8Internal::voidMethodNodeArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void arrayBufferMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValue(info, imp->arrayBufferMethod());
 }
 
@@ skipping 2896 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestObjectPython* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore