[ServiceWorker] Support setting body to Request object in ServiceWorker.

Source/modules/serviceworkers/FetchRequestData.h

 // 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.
 
 #ifndef FetchRequestData_h
 #define FetchRequestData_h
 
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
@@ skipping 65 matching lines @@
     bool sameOriginDataURLFlag() { return m_sameOriginDataURLFlag; }
     const Referrer& referrer() const { return m_referrer; }
     void setMode(Mode mode) { m_mode = mode; }
     Mode mode() const { return m_mode; }
     void setCredentials(Credentials credentials) { m_credentials = credentials; }
     Credentials credentials() const { return m_credentials; }
     void setResponseTainting(Tainting tainting) { m_responseTainting = tainting; }
     Tainting tainting() const { return m_responseTainting; }
     FetchHeaderList* headerList() { return m_headerList.get(); }
     PassRefPtr<BlobDataHandle> blobDataHandle() const { return m_blobDataHandle; }
+    void setBlobDataHandle(PassRefPtr<BlobDataHandle> blobHandle) { m_blobDataHandle = blobHandle; }
 
     void trace(Visitor*);
 
 private:
     FetchRequestData();
 
     static PassRefPtrWillBeRawPtr<FetchRequestData> create();
 
     AtomicString m_method;
     KURL m_url;
@@ skipping 12 matching lines @@
     Credentials m_credentials;
     // FIXME: Support m_useURLCredentialsFlag;
     // FIXME: Support m_manualRedirectFlag;
     // FIXME: Support m_redirectCount;
     Tainting m_responseTainting;
 };
 
 } // namespace blink
 
 #endif // FetchRequestData_h