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-rw-r--r--dom/media/gmp/GMPCallbackBase.h21
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diff --git a/dom/media/gmp/GMPCallbackBase.h b/dom/media/gmp/GMPCallbackBase.h
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+++ b/dom/media/gmp/GMPCallbackBase.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 GMPCallbackBase_h_
+#define GMPCallbackBase_h_
+
+class GMPCallbackBase
+{
+public:
+ virtual ~GMPCallbackBase() {}
+
+ // The GMP code will call this if the codec crashes or shuts down. It's
+ // expected that the consumer (destination of this callback) will respond
+ // by dropping their reference to the proxy, allowing the proxy/parent to
+ // be destroyed.
+ virtual void Terminated() = 0;
+};
+
+#endif