Make WebServiceWorkerResponse support ResponseType

Source/platform/exported/WebServiceWorkerResponse.cpp

Index: Source/platform/exported/WebServiceWorkerResponse.cpp
diff --git a/Source/platform/exported/WebServiceWorkerResponse.cpp b/Source/platform/exported/WebServiceWorkerResponse.cpp
index 1727b51b784d6fae863a97e2ddc097a2acc77bd9..ddf9f9b8312e87d7dbf67303a894570c8efc7fa6 100644
--- a/Source/platform/exported/WebServiceWorkerResponse.cpp
+++ b/Source/platform/exported/WebServiceWorkerResponse.cpp
@@ -14,10 +14,15 @@ namespace blink {
 
 class WebServiceWorkerResponsePrivate : public RefCounted<WebServiceWorkerResponsePrivate> {
 public:
-    WebServiceWorkerResponsePrivate() : status(0) { }
+    WebServiceWorkerResponsePrivate()
+        : status(0)
+        , responseType(WebServiceWorkerResponseTypeOpaque)
+    {
+    }
     WebURL url;
     unsigned short status;
     WebString statusText;
+    WebServiceWorkerResponseType responseType;
     HTTPHeaderMap headers;
     RefPtr<BlobDataHandle> blobDataHandle;
 };
@@ -67,6 +72,16 @@ WebString WebServiceWorkerResponse::statusText() const
     return m_private->statusText;
 }
 
+void WebServiceWorkerResponse::setResponseType(WebServiceWorkerResponseType responseType)
+{
+    m_private->responseType = responseType;
+}
+
+WebServiceWorkerResponseType WebServiceWorkerResponse::responseType() const
+{
+    return m_private->responseType;
+}
+
 void WebServiceWorkerResponse::setHeader(const WebString& key, const WebString& value)
 {
     m_private->headers.set(key, value);