diff -r 000000000000 -r 6474c204b198 content/media/webaudio/ReportDecodeResultTask.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/webaudio/ReportDecodeResultTask.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 ReportDecodeResultTask_h_
+#define ReportDecodeResultTask_h_
+
+#include "mozilla/Attributes.h"
+#include "MediaBufferDecoder.h"
+
+namespace mozilla {
+
+class ReportDecodeResultTask : public nsRunnable
+{
+public:
+  ReportDecodeResultTask(DecodeJob& aDecodeJob,
+                         DecodeJob::ResultFn aFunction)
+    : mDecodeJob(aDecodeJob)
+    , mFunction(aFunction)
+  {
+    MOZ_ASSERT(aFunction);
+  }
+
+  NS_IMETHOD Run() MOZ_OVERRIDE
+  {
+    MOZ_ASSERT(NS_IsMainThread());
+
+    (mDecodeJob.*mFunction)();
+
+    return NS_OK;
+  }
+
+private:
+  DecodeJob& mDecodeJob;
+  DecodeJob::ResultFn mFunction;
+};
+
+}
+
+#endif
+