Revert of Response construction with a ReadableStream

third_party/WebKit/Source/modules/fetch/ReadableStreamDataConsumerHandle.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 ReadableStreamDataConsumerHandle_h
-#define ReadableStreamDataConsumerHandle_h
-
-#include "modules/ModulesExport.h"
-#include "modules/fetch/FetchDataConsumerHandle.h"
-#include "wtf/Forward.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/RefPtr.h"
-#include <v8.h>
-
-namespace blink {
-
-class ScriptState;
-
-// This class is a FetchDataConsumerHandle pulling bytes from ReadableStream
-// implemented with V8 Extras.
-// The stream will be immediately locked by the handle and will never be
-// released.
-// TODO(yhirano): CURRENTLY THIS HANDLE SUPPORTS READING ONLY FROM THE THREAD ON
-// WHICH IT IS CREATED. FIX THIS.
-// TODO(yhirano): This implementation may cause leaks because the handle and
-// the reader own a strong reference to the associated ReadableStreamReader.
-// Fix it.
-class MODULES_EXPORT ReadableStreamDataConsumerHandle final : public FetchDataConsumerHandle {
-    WTF_MAKE_NONCOPYABLE(ReadableStreamDataConsumerHandle);
-public:
-    static PassOwnPtr<ReadableStreamDataConsumerHandle> create(ScriptState* scriptState, v8::Local<v8::Value> stream)
-    {
-        return adoptPtr(new ReadableStreamDataConsumerHandle(scriptState, stream));
-    }
-    ~ReadableStreamDataConsumerHandle() override;
-
-private:
-    class ReadingContext;
-    ReadableStreamDataConsumerHandle(ScriptState*, v8::Local<v8::Value> stream);
-    Reader* obtainReaderInternal(Client*) override;
-    const char* debugName() const override { return "ReadableStreamDataConsumerHandle"; }
-
-    RefPtr<ReadingContext> m_readingContext;
-};
-
-} // namespace blink
-
-#endif // ReadableStreamDataConsumerHandle_h