diff -r 000000000000 -r 6474c204b198 dom/workers/XMLHttpRequestUpload.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/XMLHttpRequestUpload.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,50 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_workers_xmlhttprequestupload_h__
+#define mozilla_dom_workers_xmlhttprequestupload_h__
+
+#include "nsXMLHttpRequest.h"
+
+BEGIN_WORKERS_NAMESPACE
+
+class XMLHttpRequest;
+
+class XMLHttpRequestUpload MOZ_FINAL : public nsXHREventTarget
+{
+  nsRefPtr<XMLHttpRequest> mXHR;
+
+  XMLHttpRequestUpload(XMLHttpRequest* aXHR);
+
+  ~XMLHttpRequestUpload();
+
+public:
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  static already_AddRefed<XMLHttpRequestUpload>
+  Create(XMLHttpRequest* aXHR);
+
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XMLHttpRequestUpload, nsXHREventTarget)
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  nsISupports*
+  GetParentObject() const
+  {
+    // There's only one global on a worker, so we don't need to specify.
+    return nullptr;
+  }
+
+  bool
+  HasListeners()
+  {
+    return mListenerManager && mListenerManager->HasListeners();
+  }
+};
+
+END_WORKERS_NAMESPACE
+
+#endif // mozilla_dom_workers_xmlhttprequestupload_h__