Return unique_ptr<WebDataConsumerHandle::Reader> directly from obtainReader

third_party/WebKit/Source/modules/fetch/ReadableStreamDataConsumerHandle.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 "modules/fetch/ReadableStreamDataConsumerHandle.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 275 matching lines @@
     bool m_isDone;
     bool m_hasError;
 };
 
 ReadableStreamDataConsumerHandle::ReadableStreamDataConsumerHandle(ScriptState* scriptState, ScriptValue streamReader)
     : m_readingContext(ReadingContext::create(scriptState, streamReader))
 {
 }
 ReadableStreamDataConsumerHandle::~ReadableStreamDataConsumerHandle() = default;
 
-FetchDataConsumerHandle::Reader* ReadableStreamDataConsumerHandle::obtainReaderInternal(Client* client)
+std::unique_ptr<FetchDataConsumerHandle::Reader> ReadableStreamDataConsumerHandle::obtainFetchDataReader(Client* client)
 {
-    return new ReadingContext::ReaderImpl(m_readingContext, client);
+    return WTF::wrapUnique(new ReadingContext::ReaderImpl(m_readingContext, client));
 }
 
 } // namespace blink