[Streams] Add "useStreamOnResponse" on WebURLRequest.

Source/platform/exported/WebURLRequest.cpp

Index: Source/platform/exported/WebURLRequest.cpp
diff --git a/Source/platform/exported/WebURLRequest.cpp b/Source/platform/exported/WebURLRequest.cpp
index d2f5b83dc07a4c46b27190564a03b230ebb168b4..d07b6ac993bd18706a552e3dcb2fb1053abc728e 100644
--- a/Source/platform/exported/WebURLRequest.cpp
+++ b/Source/platform/exported/WebURLRequest.cpp
@@ -299,6 +299,16 @@ void WebURLRequest::setDownloadToFile(bool downloadToFile)
     m_private->m_resourceRequest->setDownloadToFile(downloadToFile);
 }
 
+bool WebURLRequest::useStreamOnResponse() const
+{
+    return m_private->m_resourceRequest->useStreamOnResponse();
+}
+
+void WebURLRequest::setUseStreamOnResponse(bool useStreamOnResponse)
+{
+    m_private->m_resourceRequest->setUseStreamOnResponse(useStreamOnResponse);
+}
+
 bool WebURLRequest::skipServiceWorker() const
 {
     return m_private->m_resourceRequest->skipServiceWorker();