Service Worker: Cache.put() consumes request/response bodies

Source/modules/serviceworkers/Response.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 Response_h
 #define Response_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "modules/serviceworkers/Body.h"
@@ skipping 36 matching lines @@
     String url() const;
     unsigned short status() const;
     String statusText() const;
     Headers* headers() const;
 
     // From Response.idl:
     Response* clone() const;
 
     void populateWebServiceWorkerResponse(WebServiceWorkerResponse&);
 
+    bool hasBody() const { return m_response->blobDataHandle(); }
+
     virtual void trace(Visitor*) override;
 
 private:
     explicit Response(const Response&);
     explicit Response(ExecutionContext*);
     Response(ExecutionContext*, FetchResponseData*);
 
     virtual PassRefPtr<BlobDataHandle> blobDataHandle() override;
 
     const Member<FetchResponseData> m_response;
     const Member<Headers> m_headers;
 };
 
 } // namespace blink
 
 #endif // Response_h