Introducing the WebServiceWorkerCache.

Source/modules/serviceworkers/Request.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 Request_h
 #define Request_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "modules/serviceworkers/Body.h"
 #include "modules/serviceworkers/FetchRequestData.h"
 #include "modules/serviceworkers/Headers.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class RequestInit;
 struct ResourceLoaderOptions;
 class ResourceRequest;
 struct ThreadableLoaderOptions;
 class WebServiceWorkerRequest;
 
 class Request FINAL : public Body {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    virtual ~Request() { }
     static Request* create(ExecutionContext*, const String&, ExceptionState&);
     static Request* create(ExecutionContext*, const String&, const Dictionary&, ExceptionState&);
     static Request* create(ExecutionContext*, Request*, ExceptionState&);
     static Request* create(ExecutionContext*, Request*, const Dictionary&, ExceptionState&);
     static Request* create(ExecutionContext*, FetchRequestData*);
     static Request* create(ExecutionContext*, const WebServiceWorkerRequest&);
 
+    const FetchRequestData* request() const { return m_request; }
     FetchRequestData* request() { return m_request; }
 
     String method() const;
     String url() const;
     Headers* headers() const { return m_headers; }
     String referrer() const;
     String mode() const;
     String credentials() const;
 
-    void populateWebServiceWorkerRequest(WebServiceWorkerRequest&);
+    void populateWebServiceWorkerRequest(WebServiceWorkerRequest&) const;
 
     void setBodyBlobHandle(PassRefPtr<BlobDataHandle>);
 
     virtual void trace(Visitor*)  OVERRIDE;
 
 private:
     Request(ExecutionContext*, FetchRequestData*);
     Request(ExecutionContext*, const WebServiceWorkerRequest&);
 
     virtual PassRefPtr<BlobDataHandle> blobDataHandle() OVERRIDE;
 
     Member<FetchRequestData> m_request;
     Member<Headers> m_headers;
 };
 
 } // namespace blink
 
 #endif // Request_h