Add a buffering controller for Chromecast.

chromecast/media/cma/base/cma_logging.h

+// Copyright 2014 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_MEDIA_CMA_BASE_CMA_LOGGING_H_
+#define CHROMECAST_MEDIA_CMA_BASE_CMA_LOGGING_H_
+
+#include "base/logging.h"
+
+namespace chromecast {
+namespace media {
+
+#define CMALOG(loglevel) VLOG(loglevel)
+
+enum {
+  kLogControl = 2,
+  kLogFrame = 3
+};
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_MEDIA_CMA_BASE_CMA_LOGGING_H_