binding: Changes the association among global-proxy/global/window-instance (2nd attempt).

third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp

-// Copyright 2017 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.
-
-#include "bindings/core/v8/ToV8ForCore.h"
-
-#include "bindings/core/v8/WindowProxy.h"
-#include "core/events/EventTarget.h"
-#include "core/frame/DOMWindow.h"
-#include "core/frame/Frame.h"
-
-namespace blink {
-
-v8::Local<v8::Value> ToV8(DOMWindow* window,
-                          v8::Local<v8::Object> creation_context,
-                          v8::Isolate* isolate) {
-  // Notice that we explicitly ignore creationContext because the DOMWindow
-  // has its own creationContext.
-
-  if (UNLIKELY(!window))
-    return v8::Null(isolate);
-
-  return window->GlobalProxy(DOMWrapperWorld::Current(isolate));
-}
-
-v8::Local<v8::Value> ToV8(EventTarget* impl,
-                          v8::Local<v8::Object> creation_context,
-                          v8::Isolate* isolate) {
-  if (UNLIKELY(!impl))
-    return v8::Null(isolate);
-
-  if (impl->InterfaceName() == EventTargetNames::DOMWindow)
-    return ToV8(static_cast<DOMWindow*>(impl), creation_context, isolate);
-  return ToV8(static_cast<ScriptWrappable*>(impl), creation_context, isolate);
-}
-
-}  // namespace blink