Revert of [ServiceWorker] Make Response class better conformance with the spec.

Source/modules/serviceworkers/FetchResponseData.h

Index: Source/modules/serviceworkers/FetchResponseData.h
diff --git a/Source/modules/serviceworkers/FetchResponseData.h b/Source/modules/serviceworkers/FetchResponseData.h
deleted file mode 100644
index 5aa588a95f90247d289b66c1d1a61e1af1b56e7c..0000000000000000000000000000000000000000
--- a/Source/modules/serviceworkers/FetchResponseData.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// 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 FetchResponseData_h
-#define FetchResponseData_h
-
-#include "platform/weborigin/KURL.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/AtomicString.h"
-
-namespace blink { class WebServiceWorkerResponse; }
-
-namespace WebCore {
-
-class BlobDataHandle;
-class FetchHeaderList;
-
-class FetchResponseData : public RefCounted<FetchResponseData> {
-    WTF_MAKE_NONCOPYABLE(FetchResponseData);
-public:
-    // "A response has an associated type which is one of basic, CORS, default,
-    // error, and opaque. Unless stated otherwise, it is default."
-    enum Type { BasicType, CORSType, DefaultType, ErrorType, OpaqueType };
-    // "A response can have an associated termination reason which is one of
-    // end-user abort, fatal, and timeout."
-    enum TerminationReason { EndUserAbortTermination, FatalTermination, TimeoutTermination };
-
-    static PassRefPtr<FetchResponseData> create();
-    static PassRefPtr<FetchResponseData> createNetworkErrorResponse();
-
-    PassRefPtr<FetchResponseData> createBasicFilteredResponse();
-    PassRefPtr<FetchResponseData> createCORSFilteredResponse();
-    PassRefPtr<FetchResponseData> createOpaqueFilteredResponse();
-
-    Type type() const { return m_type; }
-    const KURL& url() const { return m_url; }
-    unsigned short status() const { return m_status; }
-    AtomicString statusMessage() const { return m_statusMessage; }
-    FetchHeaderList* headerList() const { return m_headerList.get(); }
-    PassRefPtr<BlobDataHandle> blobDataHandle() const { return m_blobDataHandle; }
-
-    void setURL(const KURL& url) { m_url = url; }
-    void setStatus(unsigned short status) { m_status = status; }
-    void setStatusMessage(AtomicString statusMessage) { m_statusMessage = statusMessage; }
-    void setBlobDataHandle(PassRefPtr<BlobDataHandle> blobDataHandle) { m_blobDataHandle = blobDataHandle; }
-
-    void populateWebServiceWorkerResponse(blink::WebServiceWorkerResponse&);
-
-private:
-    FetchResponseData(Type, unsigned short, AtomicString);
-
-    Type m_type;
-    OwnPtr<TerminationReason> m_terminationReason;
-    KURL m_url;
-    unsigned short m_status;
-    AtomicString m_statusMessage;
-    RefPtr<FetchHeaderList> m_headerList;
-    RefPtr<BlobDataHandle> m_blobDataHandle;
-    RefPtr<FetchResponseData> m_internalResponse;
-};
-
-} // namespace WebCore
-
-#endif // FetchResponseData_h