[Fetch API] |(new Response(stream)).body| should return |stream|

third_party/WebKit/Source/modules/fetch/FetchRequestData.cpp

 // Copyright 2014 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/FetchRequestData.h"
 
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/ResourceLoaderOptions.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/streams/ReadableStream.h"
 #include "modules/credentialmanager/PasswordCredential.h"
 #include "modules/fetch/BodyStreamBuffer.h"
 #include "modules/fetch/DataConsumerHandleUtil.h"
-#include "modules/fetch/DataConsumerTee.h"
 #include "modules/fetch/FetchBlobDataConsumerHandle.h"
 #include "modules/fetch/FetchHeaderList.h"
 #include "platform/HTTPNames.h"
 #include "platform/network/ResourceRequest.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRequest.h"
 
 namespace blink {
 
 FetchRequestData* FetchRequestData::create()
@@ skipping 37 matching lines @@
     request->m_mimeType = m_mimeType;
     request->m_integrity = m_integrity;
     request->m_attachedCredential = m_attachedCredential;
     return request;
 }
 
 FetchRequestData* FetchRequestData::clone(ScriptState* scriptState)
 {
     FetchRequestData* request = FetchRequestData::cloneExceptBody();
     if (m_buffer) {
-        OwnPtr<FetchDataConsumerHandle> dest1, dest2;
-        DataConsumerTee::create(scriptState->getExecutionContext(), m_buffer->releaseHandle(), &dest1, &dest2);
-        m_buffer = new BodyStreamBuffer(scriptState, std::move(dest1));
-        request->m_buffer = new BodyStreamBuffer(scriptState, std::move(dest2));
+        BodyStreamBuffer* new1 = nullptr;
+        BodyStreamBuffer* new2 = nullptr;
+        m_buffer->tee(&new1, &new2);
+        m_buffer = new1;
+        request->m_buffer = new2;
     }
     return request;
 }
 
 FetchRequestData* FetchRequestData::pass(ScriptState* scriptState)
 {
     FetchRequestData* request = FetchRequestData::cloneExceptBody();
     if (m_buffer) {
         request->m_buffer = m_buffer;
         m_buffer = new BodyStreamBuffer(scriptState, createFetchDataConsumerHandleFromWebHandle(createDoneDataConsumerHandle()));
@@ skipping 28 matching lines @@
         m_attachedCredential.clear();
 }
 
 DEFINE_TRACE(FetchRequestData)
 {
     visitor->trace(m_buffer);
     visitor->trace(m_headerList);
 }
 
 } // namespace blink