Remove AudioBuffersState class.

media/audio/audio_buffers_state.cc

Index: media/audio/audio_buffers_state.cc
diff --git a/media/audio/audio_buffers_state.cc b/media/audio/audio_buffers_state.cc
deleted file mode 100644
index 6c4f9501605bb065625da0a489be255704ce237d..0000000000000000000000000000000000000000
--- a/media/audio/audio_buffers_state.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2012 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_buffers_state.h"
-
-namespace media {
-
-AudioBuffersState::AudioBuffersState()
-    : pending_bytes(0),
-      hardware_delay_bytes(0) {
-}
-
-AudioBuffersState::AudioBuffersState(int pending_bytes,
-                                     int hardware_delay_bytes)
-    : pending_bytes(pending_bytes),
-      hardware_delay_bytes(hardware_delay_bytes) {
-}
-
-}  // namespace media