Copied from: https://hg.mozilla.org/releases/mozilla-esr38/rev/4f6e81673f69
Security advisory: https://www.mozilla.org/en-US/security/advisories/mfsa2016-01/
Mozilla Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1223670

# HG changeset patch
# User Karl Tomlinson <karlt+@karlt.net>
# Date 1449145091 -46800
# Node ID 4f6e81673f6938719c86516606f2fda493e8c23c
# Parent  6d43ff33bd552b8f7a34e4105cf5bcc0a8c8ea8c
bug 1223670 make SetMozAudioChannelType() private because the type will not change after construction r=baku a=abillings

diff --git a/dom/media/webaudio/AudioDestinationNode.h b/dom/media/webaudio/AudioDestinationNode.h
--- a/dom/media/webaudio/AudioDestinationNode.h
+++ b/dom/media/webaudio/AudioDestinationNode.h
@@ -57,17 +57,16 @@ public:
   void StartRendering(Promise* aPromise);
 
   void OfflineShutdown();
 
   // nsIDOMEventListener - by proxy
   NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override;
 
   AudioChannel MozAudioChannelType() const;
-  void SetMozAudioChannelType(AudioChannel aValue, ErrorResult& aRv);
 
   virtual void NotifyMainThreadStateChanged() override;
   void FireOfflineCompletionEvent();
 
   // An amount that should be added to the MediaStream's current time to
   // get the AudioContext.currentTime.
   double ExtraCurrentTime();
 
@@ -86,16 +85,17 @@ public:
 
   void InputMuted(bool aInputMuted);
   void ResolvePromise(AudioBuffer* aRenderedBuffer);
 
 protected:
   virtual ~AudioDestinationNode();
 
 private:
+  void SetMozAudioChannelType(AudioChannel aValue, ErrorResult& aRv);
   bool CheckAudioChannelPermissions(AudioChannel aValue);
 
   void SetCanPlay(bool aCanPlay);
 
   void NotifyStableState();
   void ScheduleStableStateNotification();
 
   SelfReference<AudioDestinationNode> mOfflineRenderingRef;