Getting rid of duplicate includes from media/

media/cast/sender/audio_encoder.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/sender/audio_encoder.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/stl_util.h"
 #include "base/sys_byteorder.h"
 #include "base/time/time.h"
-#include "media/base/audio_bus.h"
 #include "media/cast/cast_defines.h"
-#include "media/cast/cast_environment.h"
 
 #if !defined(OS_IOS)
 #include "third_party/opus/src/include/opus.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include <AudioToolbox/AudioToolbox.h>
 #endif
 
 namespace media {
@@ skipping 792 matching lines @@
   cast_environment_->PostTask(CastEnvironment::AUDIO,
                               FROM_HERE,
                               base::Bind(&AudioEncoder::ImplBase::EncodeAudio,
                                          impl_,
                                          base::Passed(&audio_bus),
                                          recorded_time));
 }
 
 }  // namespace cast
 }  // namespace media