Implement author-constructible ReadableStream using V8 extras

third_party/WebKit/Source/core/streams/ReadableByteStream.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 ReadableByteStream_h
 #define ReadableByteStream_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/streams/ReadableStreamImpl.h"
 
 namespace blink {
 
 class DOMArrayBufferView;
 class ExceptionState;
 class ExecutionContext;
 class ReadableByteStreamReader;
 class ScriptState;
 class Strategy;
 class UnderlyingSource;
 
-class CORE_EXPORT ReadableByteStream : public ReadableStreamImpl<ReadableStreamChunkTypeTraits<DOMArrayBufferView>> {
+class CORE_EXPORT ReadableByteStream : public ReadableStreamImpl<ReadableStreamChunkTypeTraits<DOMArrayBufferView>>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     explicit ReadableByteStream(UnderlyingSource* source) : ReadableStreamImpl<ReadableStreamChunkTypeTraits<DOMArrayBufferView>>(source) { }
     ReadableByteStream(UnderlyingSource* source, Strategy* strategy) : ReadableStreamImpl<ReadableStreamChunkTypeTraits<DOMArrayBufferView>>(source, strategy) { }
 
     ReadableByteStreamReader* getBytesReader(ExecutionContext*, ExceptionState&);
 };
 
 } // namespace blink
 
 #endif // ReadableByteStream_h