Issue #1751 -- Remove cocoa and uikit widget support code

widget/cocoa/nsSound.h

@@ -1,27 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * 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 nsSound_h_
-#define nsSound_h_
-
-#include "nsISound.h"
-#include "nsIStreamLoader.h"
-
-class nsSound : public nsISound,
-                public nsIStreamLoaderObserver
-{
-public: 
-    nsSound();
-
-    NS_DECL_ISUPPORTS
-    NS_DECL_NSISOUND
-    NS_DECL_NSISTREAMLOADEROBSERVER
-
-protected:
-    virtual ~nsSound();
-};
-
-#endif // nsSound_h_