Add more plumbing for FetchEvent including WebServiceWorkerResponse

public/platform/WebServiceWorkerResponse.h

Index: public/platform/WebServiceWorkerResponse.h
diff --git a/public/platform/WebServiceWorkerResponse.h b/public/platform/WebServiceWorkerResponse.h
new file mode 100644
index 0000000000000000000000000000000000000000..e0d287fd9bd06ca68b36a7617cbd2c3eb445f914
--- /dev/null
+++ b/public/platform/WebServiceWorkerResponse.h
@@ -0,0 +1,38 @@
+// 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 WebServiceWorkerResponse_h
+#define WebServiceWorkerResponse_h
+
+#include "public/platform/WebPrivatePtr.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
+
+namespace blink {
+
+// Represents a response to a fetch operation. ServiceWorker uses this to
+// respond to a FetchEvent dispatched by the browser. The plan is for the Cache
+// and fetch() API to also use it.
+class BLINK_PLATFORM_EXPORT WebServiceWorkerResponse {
+public:
+    void setStatusCode(unsigned short);
+    unsigned short statusCode() const;
+
+    void setStatusText(const WebString&);
+    WebString statusText() const;
+
+    void setMethod(const WebString&);
+    WebString method() const;
+
+    // FIXME: Eventually this should have additional methods such as for headers and blob.
+
+private:
+    unsigned short m_statusCode;
+    WebString m_statusText;
+    WebString m_method;
+};
+
+} // namespace blink
+
+#endif // WebServiceWorkerResponse_h