Revert of binding: Changes the association among global-proxy/global/window-instance.

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

Index: third_party/WebKit/Source/bindings/core/v8/ToV8.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ToV8.cpp b/third_party/WebKit/Source/bindings/core/v8/ToV8.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..42889491ff216295e7912e8a80b7e652bf8828b5
--- /dev/null
+++ b/third_party/WebKit/Source/bindings/core/v8/ToV8.cpp
@@ -0,0 +1,43 @@
+// Copyright 2015 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/ToV8.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> creationContext,
+                          v8::Isolate* isolate) {
+  // Notice that we explicitly ignore creationContext because the DOMWindow
+  // has its own creationContext.
+
+  if (UNLIKELY(!window))
+    return v8::Null(isolate);
+  // Initializes environment of a frame, and return the global object
+  // of the frame.
+  Frame* frame = window->frame();
+  if (!frame)
+    return v8Undefined();
+
+  return frame->windowProxy(DOMWrapperWorld::current(isolate))
+      ->globalIfNotDetached();
+}
+
+v8::Local<v8::Value> ToV8(EventTarget* impl,
+                          v8::Local<v8::Object> creationContext,
+                          v8::Isolate* isolate) {
+  if (UNLIKELY(!impl))
+    return v8::Null(isolate);
+
+  if (impl->interfaceName() == EventTargetNames::DOMWindow)
+    return ToV8(static_cast<DOMWindow*>(impl), creationContext, isolate);
+  return ToV8(static_cast<ScriptWrappable*>(impl), creationContext, isolate);
+}
+
+}  // namespace blink