Revert of [Oilpan] Prepare full definition of classes before using Member

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 "config.h"
 #include "modules/fetch/FetchRequestData.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/ResourceLoaderOptions.h"
 #include "core/loader/ThreadableLoader.h"
@@ skipping 82 matching lines @@
     , m_context(WebURLRequest::RequestContextUnspecified)
     , m_sameOriginDataURLFlag(false)
     , m_referrer(Referrer(clientReferrerString(), ReferrerPolicyDefault))
     , m_mode(WebURLRequest::FetchRequestModeNoCORS)
     , m_credentials(WebURLRequest::FetchCredentialsModeOmit)
     , m_redirect(WebURLRequest::FetchRedirectModeFollow)
     , m_responseTainting(BasicTainting)
 {
 }
 
-BodyStreamBuffer* FetchRequestData::buffer() const
-{
-    return m_buffer;
-}
-
-void FetchRequestData::setBuffer(BodyStreamBuffer* buffer)
-{
-    m_buffer = buffer;
-}
-
 DEFINE_TRACE(FetchRequestData)
 {
     visitor->trace(m_buffer);
     visitor->trace(m_headerList);
 }
 
 } // namespace blink