Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/renderer/media/capabilities_message_filter.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_
+#define CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_
+
+#include "ipc/message_filter.h"
+
+namespace chromecast {
+
+class CapabilitiesMessageFilter : public IPC::MessageFilter {
+ public:
+  CapabilitiesMessageFilter();
+
+  // IPC::ChannelProxy::MessageFilter implementation:
+  bool OnMessageReceived(const IPC::Message& message) override;
+
+ private:
+  ~CapabilitiesMessageFilter() override;
+
+  void OnUpdateSupportedHdmiSinkCodecs(int codecs);
+
+  DISALLOW_COPY_AND_ASSIGN(CapabilitiesMessageFilter);
+};
+
+}  // namespace chromecast
+
+#endif  // CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_