diff -r 000000000000 -r 6474c204b198 dom/file/FileRequest.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/file/FileRequest.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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_file_filerequest_h__
+#define mozilla_dom_file_filerequest_h__
+
+#include "mozilla/Attributes.h"
+#include "FileCommon.h"
+
+#include "DOMRequest.h"
+
+namespace mozilla {
+class EventChainPreVisitor;
+} // namespace mozilla
+
+BEGIN_FILE_NAMESPACE
+
+class FileHelper;
+class LockedFile;
+
+class FileRequest : public mozilla::dom::DOMRequest
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileRequest, DOMRequest)
+
+  static already_AddRefed<FileRequest>
+  Create(nsPIDOMWindow* aOwner, LockedFile* aLockedFile,
+         bool aWrapAsDOMRequest);
+
+  // nsIDOMEventTarget
+  virtual nsresult
+  PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
+
+  void
+  OnProgress(uint64_t aProgress, uint64_t aProgressMax)
+  {
+    FireProgressEvent(aProgress, aProgressMax);
+  }
+
+  nsresult
+  NotifyHelperCompleted(FileHelper* aFileHelper);
+
+  // nsWrapperCache
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  // WebIDL
+  LockedFile*
+  GetLockedFile() const;
+
+  IMPL_EVENT_HANDLER(progress)
+
+protected:
+  FileRequest(nsPIDOMWindow* aWindow);
+  ~FileRequest();
+
+  void
+  FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);
+
+  nsRefPtr<LockedFile> mLockedFile;
+
+  bool mWrapAsDOMRequest;
+};
+
+END_FILE_NAMESPACE
+
+#endif // mozilla_dom_file_filerequest_h__