Add Streams API support to XMLHttpRequest

Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp

Index: Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
diff --git a/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp b/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
index e5071f7433b8b03b34cf8f45812e400a166aa289..fced807090fd7c8730900daaf00f071de71b87d7 100644
--- a/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
+++ b/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
@@ -36,10 +36,12 @@
 #include "V8Document.h"
 #include "V8FormData.h"
 #include "V8HTMLDocument.h"
+#include "V8Stream.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8Utilities.h"
 #include "bindings/v8/custom/V8ArrayBufferCustom.h"
 #include "core/dom/Document.h"
+#include "core/fileapi/Stream.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/page/Frame.h"
 #include "core/workers/WorkerGlobalScope.h"
@@ -115,6 +117,18 @@ void V8XMLHttpRequest::responseAttrGetterCustom(v8::Local<v8::String> name, cons
             return;
         }
 
+    case XMLHttpRequest::ResponseTypeStream:
+        {
+            ExceptionCode ec = 0;
+            Stream* stream = xmlHttpRequest->responseStream(ec);
+            if (ec) {
+                setDOMException(ec, info.GetIsolate());
+                return;
+            }
+            v8SetReturnValue(info, toV8Fast(stream, info, xmlHttpRequest));
+            return;
+        }
+
     case XMLHttpRequest::ResponseTypeArrayBuffer:
         {
             ExceptionCode ec = 0;