diff -r 000000000000 -r 6474c204b198 content/media/webaudio/PeriodicWave.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/webaudio/PeriodicWave.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+/* -*- 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 PeriodicWave_h_
+#define PeriodicWave_h_
+
+#include "nsWrapperCache.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
+#include "AudioContext.h"
+#include "AudioNodeEngine.h"
+#include "nsAutoPtr.h"
+
+namespace mozilla {
+
+namespace dom {
+
+class PeriodicWave MOZ_FINAL : public nsWrapperCache
+{
+public:
+  PeriodicWave(AudioContext* aContext,
+               const float* aRealData,
+               const float* aImagData,
+               const uint32_t aLength,
+               ErrorResult& aRv);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PeriodicWave)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(PeriodicWave)
+
+  AudioContext* GetParentObject() const
+  {
+    return mContext;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  uint32_t DataLength() const
+  {
+    return mLength;
+  }
+
+  ThreadSharedFloatArrayBufferList* GetThreadSharedBuffer() const
+  {
+    return mCoefficients;
+  }
+
+  size_t SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
+
+private:
+  nsRefPtr<AudioContext> mContext;
+  nsRefPtr<ThreadSharedFloatArrayBufferList> mCoefficients;
+  uint32_t mLength;
+};
+
+}
+}
+
+#endif