Getting rid of duplicate includes from media/

media/cast/receiver/audio_decoder.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/cast/receiver/audio_decoder.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/memory/ref_counted.h"
 #include "base/sys_byteorder.h"
 #include "media/cast/cast_defines.h"
 #include "third_party/opus/src/include/opus.h"
 
 namespace media {
 namespace cast {
 
 // Base class that handles the common problem of detecting dropped frames, and
 // then invoking the Decode() method implemented by the subclasses to convert
 // the encoded payload data into usable audio data.
@@ skipping 214 matching lines @@
   cast_environment_->PostTask(CastEnvironment::AUDIO,
                               FROM_HERE,
                               base::Bind(&AudioDecoder::ImplBase::DecodeFrame,
                                          impl_,
                                          base::Passed(&encoded_frame),
                                          callback));
 }
 
 }  // namespace cast
 }  // namespace media