[Chromecast] Hook up mojo media pipeline.

chromecast/media/mojo/cast_media_client.cc

+// Copyright 2016 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.
+
+#include "chromecast/media/mojo/cast_media_application.h"
+
+namespace chromecast {
+namespace media {
+
+CastMediaClient::CastMediaClient() {}
+
+CastMediaClient::~CastMediaClient() {}
+
+void CastMediaClient::Initialize() {}
+
+scoped_ptr<::media::RendererFactory> CastMediaClient::CreateRendererFactory(
+    const scoped_refptr<::media::MediaLog>& media_log) {
+  return scoped_ptr<::media::RendererFactory>();
+}
+
+}  // namespace media
+}  // namespace chromecast