Delete the upstreamed files: V8NPUtils.h V8NPUtils.cpp NPV8Object.h NPV8Object.cpp.

webkit/port/bindings/v8/V8NPUtils.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef v8_np_utils_h
-#define v8_np_utils_h
-
-#include <v8.h>
-#include "third_party/npapi/bindings/npruntime.h"
-
-namespace WebCore {
-    class Frame;
-}
-
-// Convert a V8 Value of any type (string, bool, object, etc) to a NPVariant.
-void convertV8ObjectToNPVariant(v8::Local<v8::Value> object, NPObject *owner, NPVariant* result);
-
-// Convert a NPVariant (string, bool, object, etc) back to a V8 Value.
-// The owner object is the NPObject which relates to the object, if the object
-// is an Object.  The created NPObject will be tied to the lifetime of the
-// owner.
-v8::Handle<v8::Value> convertNPVariantToV8Object(const NPVariant* value, NPObject* owner);
-
-// Helper function to create an NPN String Identifier from a v8 string.
-NPIdentifier getStringIdentifier(v8::Handle<v8::String> str);
-
-#endif // v8_np_utils_h