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// Copyright 2019 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.
// Functions used to build transferable streams.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFERABLE_STREAMS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFERABLE_STREAMS_H_
#include "third_party/blink/renderer/core/core_export.h"
namespace blink {
class ExceptionState;
class MessagePort;
class ReadableStream;
class ScriptState;
class WritableStream;
// Creates the writable side of a cross-realm identity transform stream, using
// |port| for communication. |port| must be entangled with another MessagePort
// which is passed to CreateCrossRealmTransformReadable().
// Equivalent to SetUpCrossRealmTransformWritable in the standard:
// https://streams.spec.whatwg.org/#abstract-opdef-setupcrossrealmtransformwritable
CORE_EXPORT WritableStream* CreateCrossRealmTransformWritable(ScriptState*,
MessagePort* port,
ExceptionState&);
// Creates the readable side of a cross-realm identity transform stream. |port|
// is used symmetrically with CreateCrossRealmTransformWritable().
// Equivalent to SetUpCrossRealmTransformReadable in the standard:
// https://streams.spec.whatwg.org/#abstract-opdef-setupcrossrealmtransformreadable
CORE_EXPORT ReadableStream* CreateCrossRealmTransformReadable(ScriptState*,
MessagePort* port,
ExceptionState&);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFERABLE_STREAMS_H_
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