import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webaudio/MediaElementAudioSourceNode.h

@@ -0,0 +1,44 @@
+/* -*- 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 MediaElementAudioSourceNode_h_
+#define MediaElementAudioSourceNode_h_
+
+#include "MediaStreamAudioSourceNode.h"
+
+namespace mozilla {
+namespace dom {
+
+class MediaElementAudioSourceNode final : public MediaStreamAudioSourceNode
+{
+public:
+  static already_AddRefed<MediaElementAudioSourceNode>
+  Create(AudioContext* aContext, DOMMediaStream* aStream, ErrorResult& aRv);
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  const char* NodeType() const override
+  {
+    return "MediaElementAudioSourceNode";
+  }
+
+  const char* CrossOriginErrorString() const override
+  {
+    return "MediaElementAudioSourceNodeCrossOrigin";
+  }
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override
+  {
+    return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+  }
+private:
+  explicit MediaElementAudioSourceNode(AudioContext* aContext);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif