Remove AudioBuffersState usage in Chromium

media/audio/audio_io.cc

+// 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.
+
+#include "media/audio/audio_io.h"
+
+namespace media {
+
+int AudioOutputStream::AudioSourceCallback::OnMoreData(AudioBus* dest,
+                                                       int total_bytes_delay) {
+  return OnMoreData(dest, AudioBuffersState(0, total_bytes_delay));
+}
+
+int AudioOutputStream::AudioSourceCallback::OnMoreData(
+    AudioBus* dest,
+    AudioBuffersState buffers_state) {
+  return 0;
+};
+
+}