[ServiceWorker] Add WebServiceWorkerRequest::setBlob() to support body of FetchEvent

Source/platform/exported/WebServiceWorkerRequest.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 "public/platform/WebServiceWorkerRequest.h"
 
+#include "platform/blob/BlobData.h"
+
 namespace blink {
 
 class WebServiceWorkerRequestPrivate : public RefCounted<WebServiceWorkerRequestPrivate> {
 public:
     WebServiceWorkerRequestPrivate()
         : m_isReload(false) { }
     WebURL m_url;
     WebString m_method;
     HTTPHeaderMap m_headers;
+    RefPtr<BlobDataHandle> blobDataHandle;
     Referrer m_referrer;
     bool m_isReload;
 };
 
 WebServiceWorkerRequest::WebServiceWorkerRequest()
     : m_private(adoptRef(new WebServiceWorkerRequestPrivate))
 {
 }
 
 void WebServiceWorkerRequest::reset()
@@ skipping 31 matching lines @@
     if (equalIgnoringCase(key, "referer"))
         return;
     m_private->m_headers.add(key, value);
 }
 
 const HTTPHeaderMap& WebServiceWorkerRequest::headers() const
 {
     return m_private->m_headers;
 }
 
+void WebServiceWorkerRequest::setBlob(const WebString& uuid, long long size)
+{
+    m_private->blobDataHandle = BlobDataHandle::create(uuid, String(), size);
+}
+
+PassRefPtr<BlobDataHandle> WebServiceWorkerRequest::blobDataHandle() const
+{
+    return m_private->blobDataHandle;
+}
+
 void WebServiceWorkerRequest::setReferrer(const WebString& referrer, WebReferrerPolicy referrerPolicy)
 {
     m_private->m_referrer = Referrer(referrer, static_cast<ReferrerPolicy>(referrerPolicy));
 }
 
 const Referrer& WebServiceWorkerRequest::referrer() const
 {
     return m_private->m_referrer;
 }
 
 void WebServiceWorkerRequest::setIsReload(bool isReload)
 {
     m_private->m_isReload = isReload;
 }
 
 bool WebServiceWorkerRequest::isReload() const
 {
     return m_private->m_isReload;
 }
 
 } // namespace blink