Start to implement FetchEvent for ServiceWorker

Source/web/WebServiceWorkerFetchResponse.cpp

Index: Source/web/WebServiceWorkerFetchResponse.cpp
diff --git a/Source/web/WebServiceWorkerFetchResponse.cpp b/Source/web/WebServiceWorkerFetchResponse.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..321668541594ae07344b2790132901d61217f705
--- /dev/null
+++ b/Source/web/WebServiceWorkerFetchResponse.cpp
@@ -0,0 +1,43 @@
+// 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 "WebServiceWorkerFetchResponse.h"
+
+#include "modules/serviceworkers/Response.h"
+
+namespace blink {
+
+WebServiceWorkerFetchResponse::~WebServiceWorkerFetchResponse()
+{
+    m_private.reset();
+}
+
+unsigned short WebServiceWorkerFetchResponse::statusCode() const
+{
+    return m_private->statusCode();
+}
+
+WebString WebServiceWorkerFetchResponse::statusText() const
+{
+    return m_private->statusText();
+}
+
+WebString WebServiceWorkerFetchResponse::method() const
+{
+    return m_private->method();
+}
+
+WebServiceWorkerFetchResponse::WebServiceWorkerFetchResponse(Type type)
+    : m_type(type)
+{
+}
+
+WebServiceWorkerFetchResponse::WebServiceWorkerFetchResponse(const WTF::PassRefPtr<WebCore::Response>& response)
+    : m_type(Response)
+    , m_private(response)
+{
+}
+
+} // namespace blink