Remove blink::ReadableStream

third_party/WebKit/Source/core/streams/ReadableByteStream.cpp

-// 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 "core/streams/ReadableByteStream.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/ScriptState.h"
-#include "core/streams/ReadableByteStreamReader.h"
-
-namespace blink {
-
-ReadableByteStreamReader* ReadableByteStream::getBytesReader(ExecutionContext* executionContext, ExceptionState& es)
-{
-    ReadableStreamReader* reader = getReader(executionContext, es);
-    if (es.hadException())
-        return nullptr;
-    return new ReadableByteStreamReader(reader);
-}
-
-} // namespace blink