[WIP] ReadableStream V8 extension

public/platform/WebStreams.h

 // 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.
 
-#ifndef AccessControlStatus_h
-#define AccessControlStatus_h
+#ifndef WebStreams_h
+#define WebStreams_h
+
+#include "WebCommon.h"
+#include "v8/include/v8.h"
 
 namespace blink {
 
-enum AccessControlStatus {
-    NotSharableCrossOrigin,
-    SharableCrossOrigin
+class WebStreams {
+public:
+    BLINK_PLATFORM_EXPORT static v8::Extension* CreateV8Extension();
 };
 
 } // namespace blink
 
-#endif // AccessControlStatus_h
+#endif // WebStreams_h