[ServiceWorker] Add support of FetchEvent's request.body.

Source/modules/serviceworkers/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 "FetchRequestData.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/ResourceLoaderOptions.h"
@@ skipping 19 matching lines @@
     return request.release();
 }
 
 PassRefPtrWillBeRawPtr<FetchRequestData> FetchRequestData::create(const WebServiceWorkerRequest& webRequest)
 {
     RefPtrWillBeRawPtr<FetchRequestData> request = FetchRequestData::create();
     request->m_url = webRequest.url();
     request->m_method = webRequest.method();
     for (HTTPHeaderMap::const_iterator it = webRequest.headers().begin(); it != webRequest.headers().end(); ++it)
         request->m_headerList->append(it->key, it->value);
+    request->m_blobDataHandle = webRequest.blobDataHandle();
     request->m_referrer.setURL(webRequest.referrer());
     return request.release();
 }
 
 PassRefPtrWillBeRawPtr<FetchRequestData> FetchRequestData::createRestrictedCopy(ExecutionContext* context, PassRefPtr<SecurityOrigin> origin) const
 {
     // "To make a restricted copy of a request |request|, run these steps:
     // 1. Let |r| be a new request whose url is |request|'s url, method is
     // |request|'s method, header list is a copy of |request|'s header list,
     // body is a tee of |request|'s body, client is entry settings object's
@@ skipping 50 matching lines @@
     , m_responseTainting(BasicTainting)
 {
 }
 
 void FetchRequestData::trace(Visitor* visitor)
 {
     visitor->trace(m_headerList);
 }
 
 } // namespace blink