Cast: Remove LoggingStats in favor of event subscribers.

media/cast/logging/stats_util.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 MEDIA_CAST_LOGGING_STATS_UTIL_H_
+#define MEDIA_CAST_LOGGING_STATS_UTIL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "media/cast/logging/logging_defines.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace media {
+namespace cast {
+
+// Converts stats provided in |frame_stats_map| and |packet_stats_map| to
+// base::DictionaryValue format. See .cc file for the exact structure.
+scoped_ptr<base::DictionaryValue> ConvertStats(
+    const FrameStatsMap& frame_stats_map,
+    const PacketStatsMap& packet_stats_map);
+
+}  // namespace cast
+}  // namespace media
+
+#endif  // MEDIA_CAST_LOGGING_STATS_UTIL_H_