diff -r 000000000000 -r 6474c204b198 dom/workers/FileReaderSync.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/FileReaderSync.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 2; 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_workers_filereadersync_h__
+#define mozilla_dom_workers_filereadersync_h__
+
+#include "Workers.h"
+
+class nsIInputStream;
+class nsIDOMBlob;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+class GlobalObject;
+template<typename> class Optional;
+}
+}
+
+BEGIN_WORKERS_NAMESPACE
+
+class FileReaderSync MOZ_FINAL
+{
+  NS_INLINE_DECL_REFCOUNTING(FileReaderSync)
+
+private:
+  // Private destructor, to discourage deletion outside of Release():
+  ~FileReaderSync()
+  {
+  }
+
+  nsresult ConvertStream(nsIInputStream *aStream, const char *aCharset,
+                         nsAString &aResult);
+
+public:
+  static already_AddRefed<FileReaderSync>
+  Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
+
+  JSObject* WrapObject(JSContext* aCx);
+
+  void ReadAsArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aScopeObj,
+                         JS::Handle<JSObject*> aBlob,
+                         JS::MutableHandle<JSObject*> aRetval,
+                         ErrorResult& aRv);
+  void ReadAsBinaryString(JS::Handle<JSObject*> aBlob, nsAString& aResult,
+                          ErrorResult& aRv);
+  void ReadAsText(JS::Handle<JSObject*> aBlob,
+                  const Optional<nsAString>& aEncoding,
+                  nsAString& aResult, ErrorResult& aRv);
+  void ReadAsDataURL(JS::Handle<JSObject*> aBlob, nsAString& aResult,
+                     ErrorResult& aRv);
+};
+
+END_WORKERS_NAMESPACE
+
+#endif // mozilla_dom_workers_filereadersync_h__